StudioTraining / StudioTrainingSession

Studio training6 EndpointsCRM / StudioTraining / StudioTrainingSession

Returns a list of StudioTrainingSession objects

GET/api/crm/studio_training/session

Query parameters

`id`string
`deleted`boolean	This property is used to mark an entity as deleted / archived \| Default value: false
`trainingPersonData`string
`plan`string
`planDay`string
`trainer`string	Trainer who supervised the unit, if any
`performedAt`string
`status`string
`source`string
`searchString`string	text to search for in the list
`orderFieldName`string	name of the order field
`orderFieldSort`string	sorting modeAllowed: `DESCASC`
`page`integer	page of the list
`pageSize`integer	number of entries for each page
`withMaxPageNumber`string	returns the number of pages available as a header if this is set

Responses

200Returns a list of StudioTrainingSession objectsarray<StudioTrainingSession>

Show fields (17)

idinteger
Primary key of the training session. Internal ID.
training_person_dataStudioTrainingPersonData
Training data of the person who trained.
Show fields (8)
- idinteger
  Primary key of the training person data. Internal ID.
- personCRMPerson10
  Person the training data belongs to.
- personal_trainerCRMPerson10
  Personal trainer of the person.
- weightnumber (float)
  Body weight of the person.
- trainer_notesstring
  Notes of the trainer about the person.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
planStudioTrainingPlan3
Training plan the session belongs to.
Show fields (17)
- idinteger
  Primary key of the training plan. Internal ID.
- training_person_dataStudioTrainingPersonData
  Training data of the person the plan is for.
- namestring
  Name of the training plan.
- descriptionstring
  Description of the training plan.
- times_per_weekinteger
  Planned number of training sessions per week.
- statusstring
  One of the STATUS_* constants
- is_templateboolean
  True for reusable templates that are not bound to a training person
- valid_fromstring (date-time)
  Start of the plan.
- valid_untilstring (date-time)
  End of the plan.
- review_datestring (date-time)
  Date the plan should be reviewed with the member (Wiedervorlage)
- training_goalstring
  Training goal of the plan, e.g. muscle building, weight loss, rehab
- created_by_personCRMPerson10
  Trainer who created the plan, kept for the training documentation
- source_templateStudioTrainingPlan3
  Template this plan was created from, if it was assigned from a template
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.
plan_dayStudioTrainingPlanDay3
Plan day the session belongs to.
Show fields (11)
- idinteger
  Primary key of the plan day. Internal ID.
- planStudioTrainingPlan3
  Plan the day belongs to.
- namestring
  Name of the plan day.
- descriptionstring
  Description of the plan day.
- day_of_weekinteger
  Optional fixed weekday (1 = Monday ... 7 = Sunday) if the plan is bound to weekdays
- roundsinteger
  Number of rounds if the day is executed as a circuit (Zirkeltraining)
- round_rest_secondsinteger
  Pause between circuit rounds in seconds
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.
trainerCRMPerson10
Trainer who supervised the unit, if any
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
performed_atstring (date-time)
Time the training was performed.
duration_secondsinteger
Duration of the session in seconds.
statusstring
Status of the session, for example planned or done.
sourcestring
Source of the session, for example app or device.
rpenumber (float)
Overall rate of perceived exertion of the unit
average_heart_rateinteger
Average heart rate in beats per minute.
caloriesinteger
Calories burned.
notesstring
Notes of the person.
trainer_notesstring
Notes of the trainer.
createdstring (date-time)
Point in time the entity was created.
updatedstring (date-time)
Point in time the entity was last updated.
deletedboolean
This property is used to mark an entity as deleted / archived

Request

curl --request GET \
  --url https://your-instance.iw-erp.de/api/crm/studio_training/session \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'GET', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/studio_training/session', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/studio_training/session"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.get(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://your-instance.iw-erp.de/api/crm/studio_training/session', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Get,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/studio_training/session"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/studio_training/session")
  .get()
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/studio_training/session"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with the iw_erp_api package

import 'package:iw_erp_api/clients/studio_training_session_controller.dart';
import 'package:iw_erp_api/logic/iw_api_state.dart';

IwApiState().host = 'your-instance.iw-erp.de';
IwApiState().currentJwtApiToken = '<TOKEN>';

final result = await StudioTrainingSessionController.getAll();
if (result.success) {
  print(result.data);
}

Response 200 application/json

[
  {
    "id": 42,
    "training_person_data": {
      "id": 42,
      "weight": 1.5,
      "trainer_notes": "string",
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": true
    },
    "plan": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "times_per_week": 1,
      "status": "string",
      "is_template": true,
      "valid_from": "2026-10-15T09:30:00+02:00",
      "valid_until": "2026-10-15T09:30:00+02:00",
      "review_date": "2026-10-15T09:30:00+02:00",
      "training_goal": "string"
    },
    "plan_day": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "day_of_week": 1,
      "rounds": 1,
      "round_rest_seconds": 1,
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": true,
      "order": 1
    },
    "trainer": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text",
      "profile_picture_url": "https://vynst.de",
      "address_street": "Jakobistr. 39",
      "address_city": "Hannover",
      "address_zip": "30163"
    },
    "performed_at": "2026-10-15T09:30:00+02:00",
    "duration_seconds": 1,
    "status": "string",
    "source": "string",
    "rpe": 1.5
  }
]

Create a single StudioTrainingSession

POST/api/crm/studio_training/session

Request body application/json

dataStudioTrainingSession2
Show fields (16)
- idinteger
  Primary key of the training session. Internal ID.
- training_person_dataStudioTrainingPersonData2
  Training data of the person who trained.
- planStudioTrainingPlan
  Training plan the session belongs to.
- plan_dayStudioTrainingPlanDay
  Plan day the session belongs to.
- trainerCRMPerson10
  Trainer who supervised the unit, if any
- performed_atstring (date-time)
  Time the training was performed.
- duration_secondsinteger
  Duration of the session in seconds.
- statusstring
  Status of the session, for example planned or done.
- sourcestring
  Source of the session, for example app or device.
- rpenumber (float)
  Overall rate of perceived exertion of the unit
- average_heart_rateinteger
  Average heart rate in beats per minute.
- caloriesinteger
  Calories burned.
- notesstring
  Notes of the person.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived

Responses

200Create a single StudioTrainingSessionStudioTrainingSession

Show fields (17)

idinteger
Primary key of the training session. Internal ID.
training_person_dataStudioTrainingPersonData
Training data of the person who trained.
Show fields (8)
- idinteger
  Primary key of the training person data. Internal ID.
- personCRMPerson10
  Person the training data belongs to.
- personal_trainerCRMPerson10
  Personal trainer of the person.
- weightnumber (float)
  Body weight of the person.
- trainer_notesstring
  Notes of the trainer about the person.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
planStudioTrainingPlan3
Training plan the session belongs to.
Show fields (17)
- idinteger
  Primary key of the training plan. Internal ID.
- training_person_dataStudioTrainingPersonData
  Training data of the person the plan is for.
- namestring
  Name of the training plan.
- descriptionstring
  Description of the training plan.
- times_per_weekinteger
  Planned number of training sessions per week.
- statusstring
  One of the STATUS_* constants
- is_templateboolean
  True for reusable templates that are not bound to a training person
- valid_fromstring (date-time)
  Start of the plan.
- valid_untilstring (date-time)
  End of the plan.
- review_datestring (date-time)
  Date the plan should be reviewed with the member (Wiedervorlage)
- training_goalstring
  Training goal of the plan, e.g. muscle building, weight loss, rehab
- created_by_personCRMPerson10
  Trainer who created the plan, kept for the training documentation
- source_templateStudioTrainingPlan3
  Template this plan was created from, if it was assigned from a template
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.
plan_dayStudioTrainingPlanDay3
Plan day the session belongs to.
Show fields (11)
- idinteger
  Primary key of the plan day. Internal ID.
- planStudioTrainingPlan3
  Plan the day belongs to.
- namestring
  Name of the plan day.
- descriptionstring
  Description of the plan day.
- day_of_weekinteger
  Optional fixed weekday (1 = Monday ... 7 = Sunday) if the plan is bound to weekdays
- roundsinteger
  Number of rounds if the day is executed as a circuit (Zirkeltraining)
- round_rest_secondsinteger
  Pause between circuit rounds in seconds
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.
trainerCRMPerson10
Trainer who supervised the unit, if any
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
performed_atstring (date-time)
Time the training was performed.
duration_secondsinteger
Duration of the session in seconds.
statusstring
Status of the session, for example planned or done.
sourcestring
Source of the session, for example app or device.
rpenumber (float)
Overall rate of perceived exertion of the unit
average_heart_rateinteger
Average heart rate in beats per minute.
caloriesinteger
Calories burned.
notesstring
Notes of the person.
trainer_notesstring
Notes of the trainer.
createdstring (date-time)
Point in time the entity was created.
updatedstring (date-time)
Point in time the entity was last updated.
deletedboolean
This property is used to mark an entity as deleted / archived

Request

curl --request POST \
  --url https://your-instance.iw-erp.de/api/crm/studio_training/session \
  --header 'content-type: application/json' \
  --header 'x-iw-jwt-token: <TOKEN>' \
  --data '
{
  "data": {
    "id": 42,
    "training_person_data": {
      "id": 42,
      "weight": 1.5,
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": true
    },
    "plan": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "times_per_week": 1,
      "status": "string",
      "is_template": true
    },
    "plan_day": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "day_of_week": 1,
      "rounds": 1,
      "round_rest_seconds": 1
    },
    "trainer": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text"
    },
    "performed_at": "2026-10-15T09:30:00+02:00"
  }
}
'

const options = {
  method: 'POST',
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: JSON.stringify({
    data: {
      id: 42,
      training_person_data: {
        id: 42,
        weight: 1.5,
        created: '2026-10-15T09:30:00+02:00',
        updated: '2026-10-15T09:30:00+02:00',
        deleted: true
      },
      plan: {
        id: 42,
        name: 'Beispiel',
        description: 'Text',
        times_per_week: 1,
        status: 'string',
        is_template: true
      },
      plan_day: {
        id: 42,
        name: 'Beispiel',
        description: 'Text',
        day_of_week: 1,
        rounds: 1,
        round_rest_seconds: 1
      },
      trainer: {
        id: 42,
        first_name: 'Lena',
        last_name: 'Hartmann',
        title: 'Beispiel',
        language: 'de',
        support_description: 'Text'
      },
      performed_at: '2026-10-15T09:30:00+02:00'
    }
  })
};

fetch('https://your-instance.iw-erp.de/api/crm/studio_training/session', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/studio_training/session"

payload = { "data": {
    "id": 42,
    "training_person_data": {
      "id": 42,
      "weight": 1.5,
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": True
    },
    "plan": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "times_per_week": 1,
      "status": "string",
      "is_template": True
    },
    "plan_day": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "day_of_week": 1,
      "rounds": 1,
      "round_rest_seconds": 1
    },
    "trainer": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text"
    },
    "performed_at": "2026-10-15T09:30:00+02:00"
  } }
headers = {
  "x-iw-jwt-token": "<TOKEN>",
  "content-type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://your-instance.iw-erp.de/api/crm/studio_training/session', [
  'body' => '{"data":{"id":42,"training_person_data":{"id":42,"weight":1.5,"created":"2026-10-15T09:30:00+02:00","updated":"2026-10-15T09:30:00+02:00","deleted":true},"plan":{"id":42,"name":"Beispiel","description":"Text","times_per_week":1,"status":"string","is_template":true},"plan_day":{"id":42,"name":"Beispiel","description":"Text","day_of_week":1,"rounds":1,"round_rest_seconds":1},"trainer":{"id":42,"first_name":"Lena","last_name":"Hartmann","title":"Beispiel","language":"de","support_description":"Text"},"performed_at":"2026-10-15T09:30:00+02:00"}}',
  'headers' => [
    'content-type' => 'application/json',
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Post,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/studio_training/session"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
  Content = new StringContent("{\"data\":{\"id\":42,\"training_person_data\":{\"id\":42,\"weight\":1.5,\"created\":\"2026-10-15T09:30:00+02:00\",\"updated\":\"2026-10-15T09:30:00+02:00\",\"deleted\":true},\"plan\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"times_per_week\":1,\"status\":\"string\",\"is_template\":true},\"plan_day\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"day_of_week\":1,\"rounds\":1,\"round_rest_seconds\":1},\"trainer\":{\"id\":42,\"first_name\":\"Lena\",\"last_name\":\"Hartmann\",\"title\":\"Beispiel\",\"language\":\"de\",\"support_description\":\"Text\"},\"performed_at\":\"2026-10-15T09:30:00+02:00\"}}")
  {
    Headers =
    {
      ContentType = new MediaTypeHeaderValue("application/json")
    }
  }
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, "{\"data\":{\"id\":42,\"training_person_data\":{\"id\":42,\"weight\":1.5,\"created\":\"2026-10-15T09:30:00+02:00\",\"updated\":\"2026-10-15T09:30:00+02:00\",\"deleted\":true},\"plan\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"times_per_week\":1,\"status\":\"string\",\"is_template\":true},\"plan_day\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"day_of_week\":1,\"rounds\":1,\"round_rest_seconds\":1},\"trainer\":{\"id\":42,\"first_name\":\"Lena\",\"last_name\":\"Hartmann\",\"title\":\"Beispiel\",\"language\":\"de\",\"support_description\":\"Text\"},\"performed_at\":\"2026-10-15T09:30:00+02:00\"}}");
Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/studio_training/session")
  .post(body)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .addHeader("content-type", "application/json")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/studio_training/session"

	payload := strings.NewReader("{\"data\":{\"id\":42,\"training_person_data\":{\"id\":42,\"weight\":1.5,\"created\":\"2026-10-15T09:30:00+02:00\",\"updated\":\"2026-10-15T09:30:00+02:00\",\"deleted\":true},\"plan\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"times_per_week\":1,\"status\":\"string\",\"is_template\":true},\"plan_day\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"day_of_week\":1,\"rounds\":1,\"round_rest_seconds\":1},\"trainer\":{\"id\":42,\"first_name\":\"Lena\",\"last_name\":\"Hartmann\",\"title\":\"Beispiel\",\"language\":\"de\",\"support_description\":\"Text\"},\"performed_at\":\"2026-10-15T09:30:00+02:00\"}}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")
	req.Header.Add("content-type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with the iw_erp_api package

import 'package:iw_erp_api/clients/studio_training_session_controller.dart';
import 'package:iw_erp_api/logic/iw_api_state.dart';
import 'package:iw_erp_api/model/studio_training_session.dart';

IwApiState().host = 'your-instance.iw-erp.de';
IwApiState().currentJwtApiToken = '<TOKEN>';

final result = await StudioTrainingSessionController.post(StudioTrainingSession.fromJson({
  "id": 42,
  "training_person_data": {
    "id": 42,
    "weight": 1.5,
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "deleted": true
  },
  "plan": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "times_per_week": 1,
    "status": "string",
    "is_template": true
  },
  "plan_day": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "day_of_week": 1,
    "rounds": 1,
    "round_rest_seconds": 1
  },
  "trainer": {
    "id": 42,
    "first_name": "Lena",
    "last_name": "Hartmann",
    "title": "Beispiel",
    "language": "de",
    "support_description": "Text"
  },
  "performed_at": "2026-10-15T09:30:00+02:00"
}));
if (result.success) {
  print(result.data);
}

Response 200 application/json

{
  "id": 42,
  "training_person_data": {
    "id": 42,
    "person": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text",
      "profile_picture_url": "https://vynst.de",
      "address_street": "Jakobistr. 39",
      "address_city": "Hannover",
      "address_zip": "30163"
    },
    "personal_trainer": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text",
      "profile_picture_url": "https://vynst.de",
      "address_street": "Jakobistr. 39",
      "address_city": "Hannover",
      "address_zip": "30163"
    },
    "weight": 1.5,
    "trainer_notes": "string",
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "deleted": true
  },
  "plan": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "training_person_data": {
      "id": 42,
      "weight": 1.5,
      "trainer_notes": "string",
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": true
    },
    "times_per_week": 1,
    "status": "string",
    "is_template": true,
    "valid_from": "2026-10-15T09:30:00+02:00",
    "valid_until": "2026-10-15T09:30:00+02:00",
    "review_date": "2026-10-15T09:30:00+02:00"
  },
  "plan_day": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "plan": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "times_per_week": 1,
      "status": "string",
      "is_template": true,
      "valid_from": "2026-10-15T09:30:00+02:00",
      "valid_until": "2026-10-15T09:30:00+02:00",
      "review_date": "2026-10-15T09:30:00+02:00",
      "training_goal": "string"
    },
    "day_of_week": 1,
    "rounds": 1,
    "round_rest_seconds": 1,
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "deleted": true
  },
  "trainer": {
    "id": 42,
    "first_name": "Lena",
    "last_name": "Hartmann",
    "title": "Beispiel",
    "language": "de",
    "support_description": "Text",
    "profile_picture_url": "https://vynst.de",
    "address_street": "Jakobistr. 39",
    "address_city": "Hannover",
    "address_zip": "30163"
  },
  "performed_at": "2026-10-15T09:30:00+02:00",
  "duration_seconds": 1,
  "status": "string",
  "source": "string",
  "rpe": 1.5
}

Returns a single StudioTrainingSession

GET/api/crm/studio_training/session/{identifier}

Path parameters

identifierrequiredstring

Responses

200Returns a single StudioTrainingSessionStudioTrainingSession

Show fields (17)

idinteger
Primary key of the training session. Internal ID.
training_person_dataStudioTrainingPersonData
Training data of the person who trained.
Show fields (8)
- idinteger
  Primary key of the training person data. Internal ID.
- personCRMPerson10
  Person the training data belongs to.
- personal_trainerCRMPerson10
  Personal trainer of the person.
- weightnumber (float)
  Body weight of the person.
- trainer_notesstring
  Notes of the trainer about the person.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
planStudioTrainingPlan3
Training plan the session belongs to.
Show fields (17)
- idinteger
  Primary key of the training plan. Internal ID.
- training_person_dataStudioTrainingPersonData
  Training data of the person the plan is for.
- namestring
  Name of the training plan.
- descriptionstring
  Description of the training plan.
- times_per_weekinteger
  Planned number of training sessions per week.
- statusstring
  One of the STATUS_* constants
- is_templateboolean
  True for reusable templates that are not bound to a training person
- valid_fromstring (date-time)
  Start of the plan.
- valid_untilstring (date-time)
  End of the plan.
- review_datestring (date-time)
  Date the plan should be reviewed with the member (Wiedervorlage)
- training_goalstring
  Training goal of the plan, e.g. muscle building, weight loss, rehab
- created_by_personCRMPerson10
  Trainer who created the plan, kept for the training documentation
- source_templateStudioTrainingPlan3
  Template this plan was created from, if it was assigned from a template
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.
plan_dayStudioTrainingPlanDay3
Plan day the session belongs to.
Show fields (11)
- idinteger
  Primary key of the plan day. Internal ID.
- planStudioTrainingPlan3
  Plan the day belongs to.
- namestring
  Name of the plan day.
- descriptionstring
  Description of the plan day.
- day_of_weekinteger
  Optional fixed weekday (1 = Monday ... 7 = Sunday) if the plan is bound to weekdays
- roundsinteger
  Number of rounds if the day is executed as a circuit (Zirkeltraining)
- round_rest_secondsinteger
  Pause between circuit rounds in seconds
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.
trainerCRMPerson10
Trainer who supervised the unit, if any
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
performed_atstring (date-time)
Time the training was performed.
duration_secondsinteger
Duration of the session in seconds.
statusstring
Status of the session, for example planned or done.
sourcestring
Source of the session, for example app or device.
rpenumber (float)
Overall rate of perceived exertion of the unit
average_heart_rateinteger
Average heart rate in beats per minute.
caloriesinteger
Calories burned.
notesstring
Notes of the person.
trainer_notesstring
Notes of the trainer.
createdstring (date-time)
Point in time the entity was created.
updatedstring (date-time)
Point in time the entity was last updated.
deletedboolean
This property is used to mark an entity as deleted / archived

Request

curl --request GET \
  --url https://your-instance.iw-erp.de/api/crm/studio_training/session/42 \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'GET', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/studio_training/session/42', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/studio_training/session/42"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.get(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://your-instance.iw-erp.de/api/crm/studio_training/session/42', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Get,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/studio_training/session/42"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/studio_training/session/42")
  .get()
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/studio_training/session/42"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with the iw_erp_api package

import 'package:iw_erp_api/clients/studio_training_session_controller.dart';
import 'package:iw_erp_api/logic/iw_api_state.dart';

IwApiState().host = 'your-instance.iw-erp.de';
IwApiState().currentJwtApiToken = '<TOKEN>';

final result = await StudioTrainingSessionController.get('42');
if (result.success) {
  print(result.data);
}

Response 200 application/json

{
  "id": 42,
  "training_person_data": {
    "id": 42,
    "person": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text",
      "profile_picture_url": "https://vynst.de",
      "address_street": "Jakobistr. 39",
      "address_city": "Hannover",
      "address_zip": "30163"
    },
    "personal_trainer": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text",
      "profile_picture_url": "https://vynst.de",
      "address_street": "Jakobistr. 39",
      "address_city": "Hannover",
      "address_zip": "30163"
    },
    "weight": 1.5,
    "trainer_notes": "string",
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "deleted": true
  },
  "plan": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "training_person_data": {
      "id": 42,
      "weight": 1.5,
      "trainer_notes": "string",
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": true
    },
    "times_per_week": 1,
    "status": "string",
    "is_template": true,
    "valid_from": "2026-10-15T09:30:00+02:00",
    "valid_until": "2026-10-15T09:30:00+02:00",
    "review_date": "2026-10-15T09:30:00+02:00"
  },
  "plan_day": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "plan": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "times_per_week": 1,
      "status": "string",
      "is_template": true,
      "valid_from": "2026-10-15T09:30:00+02:00",
      "valid_until": "2026-10-15T09:30:00+02:00",
      "review_date": "2026-10-15T09:30:00+02:00",
      "training_goal": "string"
    },
    "day_of_week": 1,
    "rounds": 1,
    "round_rest_seconds": 1,
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "deleted": true
  },
  "trainer": {
    "id": 42,
    "first_name": "Lena",
    "last_name": "Hartmann",
    "title": "Beispiel",
    "language": "de",
    "support_description": "Text",
    "profile_picture_url": "https://vynst.de",
    "address_street": "Jakobistr. 39",
    "address_city": "Hannover",
    "address_zip": "30163"
  },
  "performed_at": "2026-10-15T09:30:00+02:00",
  "duration_seconds": 1,
  "status": "string",
  "source": "string",
  "rpe": 1.5
}

Update a single StudioTrainingSession

PUT/api/crm/studio_training/session/{identifier}

Path parameters

identifierrequiredstring

Request body application/json

dataStudioTrainingSession2
Show fields (16)
- idinteger
  Primary key of the training session. Internal ID.
- training_person_dataStudioTrainingPersonData2
  Training data of the person who trained.
- planStudioTrainingPlan
  Training plan the session belongs to.
- plan_dayStudioTrainingPlanDay
  Plan day the session belongs to.
- trainerCRMPerson10
  Trainer who supervised the unit, if any
- performed_atstring (date-time)
  Time the training was performed.
- duration_secondsinteger
  Duration of the session in seconds.
- statusstring
  Status of the session, for example planned or done.
- sourcestring
  Source of the session, for example app or device.
- rpenumber (float)
  Overall rate of perceived exertion of the unit
- average_heart_rateinteger
  Average heart rate in beats per minute.
- caloriesinteger
  Calories burned.
- notesstring
  Notes of the person.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived

Responses

200Update a single StudioTrainingSessionStudioTrainingSession

Show fields (17)

idinteger
Primary key of the training session. Internal ID.
training_person_dataStudioTrainingPersonData
Training data of the person who trained.
Show fields (8)
- idinteger
  Primary key of the training person data. Internal ID.
- personCRMPerson10
  Person the training data belongs to.
- personal_trainerCRMPerson10
  Personal trainer of the person.
- weightnumber (float)
  Body weight of the person.
- trainer_notesstring
  Notes of the trainer about the person.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
planStudioTrainingPlan3
Training plan the session belongs to.
Show fields (17)
- idinteger
  Primary key of the training plan. Internal ID.
- training_person_dataStudioTrainingPersonData
  Training data of the person the plan is for.
- namestring
  Name of the training plan.
- descriptionstring
  Description of the training plan.
- times_per_weekinteger
  Planned number of training sessions per week.
- statusstring
  One of the STATUS_* constants
- is_templateboolean
  True for reusable templates that are not bound to a training person
- valid_fromstring (date-time)
  Start of the plan.
- valid_untilstring (date-time)
  End of the plan.
- review_datestring (date-time)
  Date the plan should be reviewed with the member (Wiedervorlage)
- training_goalstring
  Training goal of the plan, e.g. muscle building, weight loss, rehab
- created_by_personCRMPerson10
  Trainer who created the plan, kept for the training documentation
- source_templateStudioTrainingPlan3
  Template this plan was created from, if it was assigned from a template
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.
plan_dayStudioTrainingPlanDay3
Plan day the session belongs to.
Show fields (11)
- idinteger
  Primary key of the plan day. Internal ID.
- planStudioTrainingPlan3
  Plan the day belongs to.
- namestring
  Name of the plan day.
- descriptionstring
  Description of the plan day.
- day_of_weekinteger
  Optional fixed weekday (1 = Monday ... 7 = Sunday) if the plan is bound to weekdays
- roundsinteger
  Number of rounds if the day is executed as a circuit (Zirkeltraining)
- round_rest_secondsinteger
  Pause between circuit rounds in seconds
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.
trainerCRMPerson10
Trainer who supervised the unit, if any
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
performed_atstring (date-time)
Time the training was performed.
duration_secondsinteger
Duration of the session in seconds.
statusstring
Status of the session, for example planned or done.
sourcestring
Source of the session, for example app or device.
rpenumber (float)
Overall rate of perceived exertion of the unit
average_heart_rateinteger
Average heart rate in beats per minute.
caloriesinteger
Calories burned.
notesstring
Notes of the person.
trainer_notesstring
Notes of the trainer.
createdstring (date-time)
Point in time the entity was created.
updatedstring (date-time)
Point in time the entity was last updated.
deletedboolean
This property is used to mark an entity as deleted / archived

Request

curl --request PUT \
  --url https://your-instance.iw-erp.de/api/crm/studio_training/session/42 \
  --header 'content-type: application/json' \
  --header 'x-iw-jwt-token: <TOKEN>' \
  --data '
{
  "data": {
    "id": 42,
    "training_person_data": {
      "id": 42,
      "weight": 1.5,
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": true
    },
    "plan": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "times_per_week": 1,
      "status": "string",
      "is_template": true
    },
    "plan_day": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "day_of_week": 1,
      "rounds": 1,
      "round_rest_seconds": 1
    },
    "trainer": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text"
    },
    "performed_at": "2026-10-15T09:30:00+02:00"
  }
}
'

const options = {
  method: 'PUT',
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: JSON.stringify({
    data: {
      id: 42,
      training_person_data: {
        id: 42,
        weight: 1.5,
        created: '2026-10-15T09:30:00+02:00',
        updated: '2026-10-15T09:30:00+02:00',
        deleted: true
      },
      plan: {
        id: 42,
        name: 'Beispiel',
        description: 'Text',
        times_per_week: 1,
        status: 'string',
        is_template: true
      },
      plan_day: {
        id: 42,
        name: 'Beispiel',
        description: 'Text',
        day_of_week: 1,
        rounds: 1,
        round_rest_seconds: 1
      },
      trainer: {
        id: 42,
        first_name: 'Lena',
        last_name: 'Hartmann',
        title: 'Beispiel',
        language: 'de',
        support_description: 'Text'
      },
      performed_at: '2026-10-15T09:30:00+02:00'
    }
  })
};

fetch('https://your-instance.iw-erp.de/api/crm/studio_training/session/42', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/studio_training/session/42"

payload = { "data": {
    "id": 42,
    "training_person_data": {
      "id": 42,
      "weight": 1.5,
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": True
    },
    "plan": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "times_per_week": 1,
      "status": "string",
      "is_template": True
    },
    "plan_day": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "day_of_week": 1,
      "rounds": 1,
      "round_rest_seconds": 1
    },
    "trainer": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text"
    },
    "performed_at": "2026-10-15T09:30:00+02:00"
  } }
headers = {
  "x-iw-jwt-token": "<TOKEN>",
  "content-type": "application/json"
}

response = requests.put(url, json=payload, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('PUT', 'https://your-instance.iw-erp.de/api/crm/studio_training/session/42', [
  'body' => '{"data":{"id":42,"training_person_data":{"id":42,"weight":1.5,"created":"2026-10-15T09:30:00+02:00","updated":"2026-10-15T09:30:00+02:00","deleted":true},"plan":{"id":42,"name":"Beispiel","description":"Text","times_per_week":1,"status":"string","is_template":true},"plan_day":{"id":42,"name":"Beispiel","description":"Text","day_of_week":1,"rounds":1,"round_rest_seconds":1},"trainer":{"id":42,"first_name":"Lena","last_name":"Hartmann","title":"Beispiel","language":"de","support_description":"Text"},"performed_at":"2026-10-15T09:30:00+02:00"}}',
  'headers' => [
    'content-type' => 'application/json',
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Put,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/studio_training/session/42"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
  Content = new StringContent("{\"data\":{\"id\":42,\"training_person_data\":{\"id\":42,\"weight\":1.5,\"created\":\"2026-10-15T09:30:00+02:00\",\"updated\":\"2026-10-15T09:30:00+02:00\",\"deleted\":true},\"plan\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"times_per_week\":1,\"status\":\"string\",\"is_template\":true},\"plan_day\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"day_of_week\":1,\"rounds\":1,\"round_rest_seconds\":1},\"trainer\":{\"id\":42,\"first_name\":\"Lena\",\"last_name\":\"Hartmann\",\"title\":\"Beispiel\",\"language\":\"de\",\"support_description\":\"Text\"},\"performed_at\":\"2026-10-15T09:30:00+02:00\"}}")
  {
    Headers =
    {
      ContentType = new MediaTypeHeaderValue("application/json")
    }
  }
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, "{\"data\":{\"id\":42,\"training_person_data\":{\"id\":42,\"weight\":1.5,\"created\":\"2026-10-15T09:30:00+02:00\",\"updated\":\"2026-10-15T09:30:00+02:00\",\"deleted\":true},\"plan\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"times_per_week\":1,\"status\":\"string\",\"is_template\":true},\"plan_day\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"day_of_week\":1,\"rounds\":1,\"round_rest_seconds\":1},\"trainer\":{\"id\":42,\"first_name\":\"Lena\",\"last_name\":\"Hartmann\",\"title\":\"Beispiel\",\"language\":\"de\",\"support_description\":\"Text\"},\"performed_at\":\"2026-10-15T09:30:00+02:00\"}}");
Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/studio_training/session/42")
  .put(body)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .addHeader("content-type", "application/json")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/studio_training/session/42"

	payload := strings.NewReader("{\"data\":{\"id\":42,\"training_person_data\":{\"id\":42,\"weight\":1.5,\"created\":\"2026-10-15T09:30:00+02:00\",\"updated\":\"2026-10-15T09:30:00+02:00\",\"deleted\":true},\"plan\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"times_per_week\":1,\"status\":\"string\",\"is_template\":true},\"plan_day\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"day_of_week\":1,\"rounds\":1,\"round_rest_seconds\":1},\"trainer\":{\"id\":42,\"first_name\":\"Lena\",\"last_name\":\"Hartmann\",\"title\":\"Beispiel\",\"language\":\"de\",\"support_description\":\"Text\"},\"performed_at\":\"2026-10-15T09:30:00+02:00\"}}")

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")
	req.Header.Add("content-type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with package:http (no controller in the iw_erp_api package)

import 'dart:convert';
import 'package:http/http.dart' as http;

final response = await http.put(
  Uri.parse('https://your-instance.iw-erp.de/api/crm/studio_training/session/42'),
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: jsonEncode({
    "data": {
      "id": 42,
      "training_person_data": {
        "id": 42,
        "weight": 1.5,
        "created": "2026-10-15T09:30:00+02:00",
        "updated": "2026-10-15T09:30:00+02:00",
        "deleted": true
      },
      "plan": {
        "id": 42,
        "name": "Beispiel",
        "description": "Text",
        "times_per_week": 1,
        "status": "string",
        "is_template": true
      },
      "plan_day": {
        "id": 42,
        "name": "Beispiel",
        "description": "Text",
        "day_of_week": 1,
        "rounds": 1,
        "round_rest_seconds": 1
      },
      "trainer": {
        "id": 42,
        "first_name": "Lena",
        "last_name": "Hartmann",
        "title": "Beispiel",
        "language": "de",
        "support_description": "Text"
      },
      "performed_at": "2026-10-15T09:30:00+02:00"
    }
  }),
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "training_person_data": {
    "id": 42,
    "person": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text",
      "profile_picture_url": "https://vynst.de",
      "address_street": "Jakobistr. 39",
      "address_city": "Hannover",
      "address_zip": "30163"
    },
    "personal_trainer": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text",
      "profile_picture_url": "https://vynst.de",
      "address_street": "Jakobistr. 39",
      "address_city": "Hannover",
      "address_zip": "30163"
    },
    "weight": 1.5,
    "trainer_notes": "string",
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "deleted": true
  },
  "plan": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "training_person_data": {
      "id": 42,
      "weight": 1.5,
      "trainer_notes": "string",
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": true
    },
    "times_per_week": 1,
    "status": "string",
    "is_template": true,
    "valid_from": "2026-10-15T09:30:00+02:00",
    "valid_until": "2026-10-15T09:30:00+02:00",
    "review_date": "2026-10-15T09:30:00+02:00"
  },
  "plan_day": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "plan": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "times_per_week": 1,
      "status": "string",
      "is_template": true,
      "valid_from": "2026-10-15T09:30:00+02:00",
      "valid_until": "2026-10-15T09:30:00+02:00",
      "review_date": "2026-10-15T09:30:00+02:00",
      "training_goal": "string"
    },
    "day_of_week": 1,
    "rounds": 1,
    "round_rest_seconds": 1,
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "deleted": true
  },
  "trainer": {
    "id": 42,
    "first_name": "Lena",
    "last_name": "Hartmann",
    "title": "Beispiel",
    "language": "de",
    "support_description": "Text",
    "profile_picture_url": "https://vynst.de",
    "address_street": "Jakobistr. 39",
    "address_city": "Hannover",
    "address_zip": "30163"
  },
  "performed_at": "2026-10-15T09:30:00+02:00",
  "duration_seconds": 1,
  "status": "string",
  "source": "string",
  "rpe": 1.5
}

Update a single StudioTrainingSession

PATCH/api/crm/studio_training/session/{identifier}

Path parameters

identifierrequiredstring

Request body application/json

dataStudioTrainingSession2
Show fields (16)
- idinteger
  Primary key of the training session. Internal ID.
- training_person_dataStudioTrainingPersonData2
  Training data of the person who trained.
- planStudioTrainingPlan
  Training plan the session belongs to.
- plan_dayStudioTrainingPlanDay
  Plan day the session belongs to.
- trainerCRMPerson10
  Trainer who supervised the unit, if any
- performed_atstring (date-time)
  Time the training was performed.
- duration_secondsinteger
  Duration of the session in seconds.
- statusstring
  Status of the session, for example planned or done.
- sourcestring
  Source of the session, for example app or device.
- rpenumber (float)
  Overall rate of perceived exertion of the unit
- average_heart_rateinteger
  Average heart rate in beats per minute.
- caloriesinteger
  Calories burned.
- notesstring
  Notes of the person.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived

Responses

200Update a single StudioTrainingSessionStudioTrainingSession

Show fields (17)

idinteger
Primary key of the training session. Internal ID.
training_person_dataStudioTrainingPersonData
Training data of the person who trained.
Show fields (8)
- idinteger
  Primary key of the training person data. Internal ID.
- personCRMPerson10
  Person the training data belongs to.
- personal_trainerCRMPerson10
  Personal trainer of the person.
- weightnumber (float)
  Body weight of the person.
- trainer_notesstring
  Notes of the trainer about the person.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
planStudioTrainingPlan3
Training plan the session belongs to.
Show fields (17)
- idinteger
  Primary key of the training plan. Internal ID.
- training_person_dataStudioTrainingPersonData
  Training data of the person the plan is for.
- namestring
  Name of the training plan.
- descriptionstring
  Description of the training plan.
- times_per_weekinteger
  Planned number of training sessions per week.
- statusstring
  One of the STATUS_* constants
- is_templateboolean
  True for reusable templates that are not bound to a training person
- valid_fromstring (date-time)
  Start of the plan.
- valid_untilstring (date-time)
  End of the plan.
- review_datestring (date-time)
  Date the plan should be reviewed with the member (Wiedervorlage)
- training_goalstring
  Training goal of the plan, e.g. muscle building, weight loss, rehab
- created_by_personCRMPerson10
  Trainer who created the plan, kept for the training documentation
- source_templateStudioTrainingPlan3
  Template this plan was created from, if it was assigned from a template
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.
plan_dayStudioTrainingPlanDay3
Plan day the session belongs to.
Show fields (11)
- idinteger
  Primary key of the plan day. Internal ID.
- planStudioTrainingPlan3
  Plan the day belongs to.
- namestring
  Name of the plan day.
- descriptionstring
  Description of the plan day.
- day_of_weekinteger
  Optional fixed weekday (1 = Monday ... 7 = Sunday) if the plan is bound to weekdays
- roundsinteger
  Number of rounds if the day is executed as a circuit (Zirkeltraining)
- round_rest_secondsinteger
  Pause between circuit rounds in seconds
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.
trainerCRMPerson10
Trainer who supervised the unit, if any
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
performed_atstring (date-time)
Time the training was performed.
duration_secondsinteger
Duration of the session in seconds.
statusstring
Status of the session, for example planned or done.
sourcestring
Source of the session, for example app or device.
rpenumber (float)
Overall rate of perceived exertion of the unit
average_heart_rateinteger
Average heart rate in beats per minute.
caloriesinteger
Calories burned.
notesstring
Notes of the person.
trainer_notesstring
Notes of the trainer.
createdstring (date-time)
Point in time the entity was created.
updatedstring (date-time)
Point in time the entity was last updated.
deletedboolean
This property is used to mark an entity as deleted / archived

Request

curl --request PATCH \
  --url https://your-instance.iw-erp.de/api/crm/studio_training/session/42 \
  --header 'content-type: application/json' \
  --header 'x-iw-jwt-token: <TOKEN>' \
  --data '
{
  "data": {
    "id": 42,
    "training_person_data": {
      "id": 42,
      "weight": 1.5,
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": true
    },
    "plan": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "times_per_week": 1,
      "status": "string",
      "is_template": true
    },
    "plan_day": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "day_of_week": 1,
      "rounds": 1,
      "round_rest_seconds": 1
    },
    "trainer": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text"
    },
    "performed_at": "2026-10-15T09:30:00+02:00"
  }
}
'

const options = {
  method: 'PATCH',
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: JSON.stringify({
    data: {
      id: 42,
      training_person_data: {
        id: 42,
        weight: 1.5,
        created: '2026-10-15T09:30:00+02:00',
        updated: '2026-10-15T09:30:00+02:00',
        deleted: true
      },
      plan: {
        id: 42,
        name: 'Beispiel',
        description: 'Text',
        times_per_week: 1,
        status: 'string',
        is_template: true
      },
      plan_day: {
        id: 42,
        name: 'Beispiel',
        description: 'Text',
        day_of_week: 1,
        rounds: 1,
        round_rest_seconds: 1
      },
      trainer: {
        id: 42,
        first_name: 'Lena',
        last_name: 'Hartmann',
        title: 'Beispiel',
        language: 'de',
        support_description: 'Text'
      },
      performed_at: '2026-10-15T09:30:00+02:00'
    }
  })
};

fetch('https://your-instance.iw-erp.de/api/crm/studio_training/session/42', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/studio_training/session/42"

payload = { "data": {
    "id": 42,
    "training_person_data": {
      "id": 42,
      "weight": 1.5,
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": True
    },
    "plan": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "times_per_week": 1,
      "status": "string",
      "is_template": True
    },
    "plan_day": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "day_of_week": 1,
      "rounds": 1,
      "round_rest_seconds": 1
    },
    "trainer": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text"
    },
    "performed_at": "2026-10-15T09:30:00+02:00"
  } }
headers = {
  "x-iw-jwt-token": "<TOKEN>",
  "content-type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('PATCH', 'https://your-instance.iw-erp.de/api/crm/studio_training/session/42', [
  'body' => '{"data":{"id":42,"training_person_data":{"id":42,"weight":1.5,"created":"2026-10-15T09:30:00+02:00","updated":"2026-10-15T09:30:00+02:00","deleted":true},"plan":{"id":42,"name":"Beispiel","description":"Text","times_per_week":1,"status":"string","is_template":true},"plan_day":{"id":42,"name":"Beispiel","description":"Text","day_of_week":1,"rounds":1,"round_rest_seconds":1},"trainer":{"id":42,"first_name":"Lena","last_name":"Hartmann","title":"Beispiel","language":"de","support_description":"Text"},"performed_at":"2026-10-15T09:30:00+02:00"}}',
  'headers' => [
    'content-type' => 'application/json',
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Patch,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/studio_training/session/42"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
  Content = new StringContent("{\"data\":{\"id\":42,\"training_person_data\":{\"id\":42,\"weight\":1.5,\"created\":\"2026-10-15T09:30:00+02:00\",\"updated\":\"2026-10-15T09:30:00+02:00\",\"deleted\":true},\"plan\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"times_per_week\":1,\"status\":\"string\",\"is_template\":true},\"plan_day\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"day_of_week\":1,\"rounds\":1,\"round_rest_seconds\":1},\"trainer\":{\"id\":42,\"first_name\":\"Lena\",\"last_name\":\"Hartmann\",\"title\":\"Beispiel\",\"language\":\"de\",\"support_description\":\"Text\"},\"performed_at\":\"2026-10-15T09:30:00+02:00\"}}")
  {
    Headers =
    {
      ContentType = new MediaTypeHeaderValue("application/json")
    }
  }
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, "{\"data\":{\"id\":42,\"training_person_data\":{\"id\":42,\"weight\":1.5,\"created\":\"2026-10-15T09:30:00+02:00\",\"updated\":\"2026-10-15T09:30:00+02:00\",\"deleted\":true},\"plan\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"times_per_week\":1,\"status\":\"string\",\"is_template\":true},\"plan_day\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"day_of_week\":1,\"rounds\":1,\"round_rest_seconds\":1},\"trainer\":{\"id\":42,\"first_name\":\"Lena\",\"last_name\":\"Hartmann\",\"title\":\"Beispiel\",\"language\":\"de\",\"support_description\":\"Text\"},\"performed_at\":\"2026-10-15T09:30:00+02:00\"}}");
Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/studio_training/session/42")
  .patch(body)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .addHeader("content-type", "application/json")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/studio_training/session/42"

	payload := strings.NewReader("{\"data\":{\"id\":42,\"training_person_data\":{\"id\":42,\"weight\":1.5,\"created\":\"2026-10-15T09:30:00+02:00\",\"updated\":\"2026-10-15T09:30:00+02:00\",\"deleted\":true},\"plan\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"times_per_week\":1,\"status\":\"string\",\"is_template\":true},\"plan_day\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"day_of_week\":1,\"rounds\":1,\"round_rest_seconds\":1},\"trainer\":{\"id\":42,\"first_name\":\"Lena\",\"last_name\":\"Hartmann\",\"title\":\"Beispiel\",\"language\":\"de\",\"support_description\":\"Text\"},\"performed_at\":\"2026-10-15T09:30:00+02:00\"}}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")
	req.Header.Add("content-type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with package:http (no controller in the iw_erp_api package)

import 'dart:convert';
import 'package:http/http.dart' as http;

final response = await http.patch(
  Uri.parse('https://your-instance.iw-erp.de/api/crm/studio_training/session/42'),
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: jsonEncode({
    "data": {
      "id": 42,
      "training_person_data": {
        "id": 42,
        "weight": 1.5,
        "created": "2026-10-15T09:30:00+02:00",
        "updated": "2026-10-15T09:30:00+02:00",
        "deleted": true
      },
      "plan": {
        "id": 42,
        "name": "Beispiel",
        "description": "Text",
        "times_per_week": 1,
        "status": "string",
        "is_template": true
      },
      "plan_day": {
        "id": 42,
        "name": "Beispiel",
        "description": "Text",
        "day_of_week": 1,
        "rounds": 1,
        "round_rest_seconds": 1
      },
      "trainer": {
        "id": 42,
        "first_name": "Lena",
        "last_name": "Hartmann",
        "title": "Beispiel",
        "language": "de",
        "support_description": "Text"
      },
      "performed_at": "2026-10-15T09:30:00+02:00"
    }
  }),
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "training_person_data": {
    "id": 42,
    "person": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text",
      "profile_picture_url": "https://vynst.de",
      "address_street": "Jakobistr. 39",
      "address_city": "Hannover",
      "address_zip": "30163"
    },
    "personal_trainer": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text",
      "profile_picture_url": "https://vynst.de",
      "address_street": "Jakobistr. 39",
      "address_city": "Hannover",
      "address_zip": "30163"
    },
    "weight": 1.5,
    "trainer_notes": "string",
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "deleted": true
  },
  "plan": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "training_person_data": {
      "id": 42,
      "weight": 1.5,
      "trainer_notes": "string",
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": true
    },
    "times_per_week": 1,
    "status": "string",
    "is_template": true,
    "valid_from": "2026-10-15T09:30:00+02:00",
    "valid_until": "2026-10-15T09:30:00+02:00",
    "review_date": "2026-10-15T09:30:00+02:00"
  },
  "plan_day": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "plan": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "times_per_week": 1,
      "status": "string",
      "is_template": true,
      "valid_from": "2026-10-15T09:30:00+02:00",
      "valid_until": "2026-10-15T09:30:00+02:00",
      "review_date": "2026-10-15T09:30:00+02:00",
      "training_goal": "string"
    },
    "day_of_week": 1,
    "rounds": 1,
    "round_rest_seconds": 1,
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "deleted": true
  },
  "trainer": {
    "id": 42,
    "first_name": "Lena",
    "last_name": "Hartmann",
    "title": "Beispiel",
    "language": "de",
    "support_description": "Text",
    "profile_picture_url": "https://vynst.de",
    "address_street": "Jakobistr. 39",
    "address_city": "Hannover",
    "address_zip": "30163"
  },
  "performed_at": "2026-10-15T09:30:00+02:00",
  "duration_seconds": 1,
  "status": "string",
  "source": "string",
  "rpe": 1.5
}

Delete a single StudioTrainingSession (soft delete)

DELETE/api/crm/studio_training/session/{identifier}

Path parameters

identifierrequiredstring

Responses

200Delete a single StudioTrainingSessionStudioTrainingSession

Show fields (17)

idinteger
Primary key of the training session. Internal ID.
training_person_dataStudioTrainingPersonData
Training data of the person who trained.
Show fields (8)
- idinteger
  Primary key of the training person data. Internal ID.
- personCRMPerson10
  Person the training data belongs to.
- personal_trainerCRMPerson10
  Personal trainer of the person.
- weightnumber (float)
  Body weight of the person.
- trainer_notesstring
  Notes of the trainer about the person.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
planStudioTrainingPlan3
Training plan the session belongs to.
Show fields (17)
- idinteger
  Primary key of the training plan. Internal ID.
- training_person_dataStudioTrainingPersonData
  Training data of the person the plan is for.
- namestring
  Name of the training plan.
- descriptionstring
  Description of the training plan.
- times_per_weekinteger
  Planned number of training sessions per week.
- statusstring
  One of the STATUS_* constants
- is_templateboolean
  True for reusable templates that are not bound to a training person
- valid_fromstring (date-time)
  Start of the plan.
- valid_untilstring (date-time)
  End of the plan.
- review_datestring (date-time)
  Date the plan should be reviewed with the member (Wiedervorlage)
- training_goalstring
  Training goal of the plan, e.g. muscle building, weight loss, rehab
- created_by_personCRMPerson10
  Trainer who created the plan, kept for the training documentation
- source_templateStudioTrainingPlan3
  Template this plan was created from, if it was assigned from a template
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.
plan_dayStudioTrainingPlanDay3
Plan day the session belongs to.
Show fields (11)
- idinteger
  Primary key of the plan day. Internal ID.
- planStudioTrainingPlan3
  Plan the day belongs to.
- namestring
  Name of the plan day.
- descriptionstring
  Description of the plan day.
- day_of_weekinteger
  Optional fixed weekday (1 = Monday ... 7 = Sunday) if the plan is bound to weekdays
- roundsinteger
  Number of rounds if the day is executed as a circuit (Zirkeltraining)
- round_rest_secondsinteger
  Pause between circuit rounds in seconds
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.
trainerCRMPerson10
Trainer who supervised the unit, if any
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
performed_atstring (date-time)
Time the training was performed.
duration_secondsinteger
Duration of the session in seconds.
statusstring
Status of the session, for example planned or done.
sourcestring
Source of the session, for example app or device.
rpenumber (float)
Overall rate of perceived exertion of the unit
average_heart_rateinteger
Average heart rate in beats per minute.
caloriesinteger
Calories burned.
notesstring
Notes of the person.
trainer_notesstring
Notes of the trainer.
createdstring (date-time)
Point in time the entity was created.
updatedstring (date-time)
Point in time the entity was last updated.
deletedboolean
This property is used to mark an entity as deleted / archived

Request

curl --request DELETE \
  --url https://your-instance.iw-erp.de/api/crm/studio_training/session/42 \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'DELETE', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/studio_training/session/42', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/studio_training/session/42"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.delete(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('DELETE', 'https://your-instance.iw-erp.de/api/crm/studio_training/session/42', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Delete,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/studio_training/session/42"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/studio_training/session/42")
  .delete(null)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/studio_training/session/42"

	req, _ := http.NewRequest("DELETE", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with the iw_erp_api package

import 'package:iw_erp_api/clients/studio_training_session_controller.dart';
import 'package:iw_erp_api/logic/iw_api_state.dart';

IwApiState().host = 'your-instance.iw-erp.de';
IwApiState().currentJwtApiToken = '<TOKEN>';

final result = await StudioTrainingSessionController.delete('42');
if (result.success) {
  print(result.data);
}

Response 200 application/json

{
  "id": 42,
  "training_person_data": {
    "id": 42,
    "person": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text",
      "profile_picture_url": "https://vynst.de",
      "address_street": "Jakobistr. 39",
      "address_city": "Hannover",
      "address_zip": "30163"
    },
    "personal_trainer": {
      "id": 42,
      "first_name": "Lena",
      "last_name": "Hartmann",
      "title": "Beispiel",
      "language": "de",
      "support_description": "Text",
      "profile_picture_url": "https://vynst.de",
      "address_street": "Jakobistr. 39",
      "address_city": "Hannover",
      "address_zip": "30163"
    },
    "weight": 1.5,
    "trainer_notes": "string",
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "deleted": true
  },
  "plan": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "training_person_data": {
      "id": 42,
      "weight": 1.5,
      "trainer_notes": "string",
      "created": "2026-10-15T09:30:00+02:00",
      "updated": "2026-10-15T09:30:00+02:00",
      "deleted": true
    },
    "times_per_week": 1,
    "status": "string",
    "is_template": true,
    "valid_from": "2026-10-15T09:30:00+02:00",
    "valid_until": "2026-10-15T09:30:00+02:00",
    "review_date": "2026-10-15T09:30:00+02:00"
  },
  "plan_day": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "plan": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "times_per_week": 1,
      "status": "string",
      "is_template": true,
      "valid_from": "2026-10-15T09:30:00+02:00",
      "valid_until": "2026-10-15T09:30:00+02:00",
      "review_date": "2026-10-15T09:30:00+02:00",
      "training_goal": "string"
    },
    "day_of_week": 1,
    "rounds": 1,
    "round_rest_seconds": 1,
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "deleted": true
  },
  "trainer": {
    "id": 42,
    "first_name": "Lena",
    "last_name": "Hartmann",
    "title": "Beispiel",
    "language": "de",
    "support_description": "Text",
    "profile_picture_url": "https://vynst.de",
    "address_street": "Jakobistr. 39",
    "address_city": "Hannover",
    "address_zip": "30163"
  },
  "performed_at": "2026-10-15T09:30:00+02:00",
  "duration_seconds": 1,
  "status": "string",
  "source": "string",
  "rpe": 1.5
}