StudioTraining / StudioTrainingChallenge

Studio training6 EndpointsCRM / StudioTraining / StudioTrainingChallenge

Returns a list of StudioTrainingChallenge objects

GET/api/crm/studio_training/challenge

Query parameters

`id`string
`deleted`boolean	This property is used to mark an entity as deleted / archived \| Default value: false
`name`string
`start`string	First moment that counts
`end`string	Last moment that counts
`metric`string	What is counted: training_days, sessions or checkins
`created`string
`updated`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 StudioTrainingChallenge objectsarray<StudioTrainingChallenge>

Show fields (10)

idinteger
Primary key of the training challenge. Internal ID.
namestring
Name of the challenge.
descriptionstring
Description of the challenge.
startstring (date-time)
First moment that counts
endstring (date-time)
Last moment that counts
metricstring
What is counted: training_days, sessions or checkins
target_valueinteger
How many of the metric complete the challenge
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/challenge \
  --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/challenge', 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/challenge"

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/challenge', [
  '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/challenge"),
  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/challenge")
  .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/challenge"

	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_challenge_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 StudioTrainingChallengeController.getAll();
if (result.success) {
  print(result.data);
}

Response 200 application/json

[
  {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "start": "2026-10-15T09:30:00+02:00",
    "end": "2026-10-15T09:30:00+02:00",
    "metric": "string",
    "target_value": 1,
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "deleted": true
  }
]

Create a single StudioTrainingChallenge

POST/api/crm/studio_training/challenge

Request body application/json

dataStudioTrainingChallenge
Show fields (10)
- idinteger
  Primary key of the training challenge. Internal ID.
- namestring
  Name of the challenge.
- descriptionstring
  Description of the challenge.
- startstring (date-time)
  First moment that counts
- endstring (date-time)
  Last moment that counts
- metricstring
  What is counted: training_days, sessions or checkins
- target_valueinteger
  How many of the metric complete the challenge
- 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 StudioTrainingChallengeStudioTrainingChallenge

Show fields (10)

idinteger
Primary key of the training challenge. Internal ID.
namestring
Name of the challenge.
descriptionstring
Description of the challenge.
startstring (date-time)
First moment that counts
endstring (date-time)
Last moment that counts
metricstring
What is counted: training_days, sessions or checkins
target_valueinteger
How many of the metric complete the challenge
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/challenge \
  --header 'content-type: application/json' \
  --header 'x-iw-jwt-token: <TOKEN>' \
  --data '
{
  "data": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "start": "2026-10-15T09:30:00+02:00",
    "end": "2026-10-15T09:30:00+02:00",
    "metric": "string"
  }
}
'

const options = {
  method: 'POST',
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: JSON.stringify({
    data: {
      id: 42,
      name: 'Beispiel',
      description: 'Text',
      start: '2026-10-15T09:30:00+02:00',
      end: '2026-10-15T09:30:00+02:00',
      metric: 'string'
    }
  })
};

fetch('https://your-instance.iw-erp.de/api/crm/studio_training/challenge', 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/challenge"

payload = { "data": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "start": "2026-10-15T09:30:00+02:00",
    "end": "2026-10-15T09:30:00+02:00",
    "metric": "string"
  } }
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/challenge', [
  'body' => '{"data":{"id":42,"name":"Beispiel","description":"Text","start":"2026-10-15T09:30:00+02:00","end":"2026-10-15T09:30:00+02:00","metric":"string"}}',
  '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/challenge"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
  Content = new StringContent("{\"data\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"start\":\"2026-10-15T09:30:00+02:00\",\"end\":\"2026-10-15T09:30:00+02:00\",\"metric\":\"string\"}}")
  {
    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,\"name\":\"Beispiel\",\"description\":\"Text\",\"start\":\"2026-10-15T09:30:00+02:00\",\"end\":\"2026-10-15T09:30:00+02:00\",\"metric\":\"string\"}}");
Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/studio_training/challenge")
  .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/challenge"

	payload := strings.NewReader("{\"data\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"start\":\"2026-10-15T09:30:00+02:00\",\"end\":\"2026-10-15T09:30:00+02:00\",\"metric\":\"string\"}}")

	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_challenge_controller.dart';
import 'package:iw_erp_api/logic/iw_api_state.dart';
import 'package:iw_erp_api/model/studio_training_challenge.dart';

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

final result = await StudioTrainingChallengeController.post(StudioTrainingChallenge.fromJson({
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00",
  "metric": "string"
}));
if (result.success) {
  print(result.data);
}

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00",
  "metric": "string",
  "target_value": 1,
  "created": "2026-10-15T09:30:00+02:00",
  "updated": "2026-10-15T09:30:00+02:00",
  "deleted": true
}

Returns a single StudioTrainingChallenge

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

Path parameters

identifierrequiredstring

Responses

200Returns a single StudioTrainingChallengeStudioTrainingChallenge

Show fields (10)

idinteger
Primary key of the training challenge. Internal ID.
namestring
Name of the challenge.
descriptionstring
Description of the challenge.
startstring (date-time)
First moment that counts
endstring (date-time)
Last moment that counts
metricstring
What is counted: training_days, sessions or checkins
target_valueinteger
How many of the metric complete the challenge
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/challenge/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/challenge/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/challenge/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/challenge/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/challenge/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/challenge/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/challenge/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_challenge_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 StudioTrainingChallengeController.get('42');
if (result.success) {
  print(result.data);
}

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00",
  "metric": "string",
  "target_value": 1,
  "created": "2026-10-15T09:30:00+02:00",
  "updated": "2026-10-15T09:30:00+02:00",
  "deleted": true
}

Update a single StudioTrainingChallenge

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

Path parameters

identifierrequiredstring

Request body application/json

dataStudioTrainingChallenge
Show fields (10)
- idinteger
  Primary key of the training challenge. Internal ID.
- namestring
  Name of the challenge.
- descriptionstring
  Description of the challenge.
- startstring (date-time)
  First moment that counts
- endstring (date-time)
  Last moment that counts
- metricstring
  What is counted: training_days, sessions or checkins
- target_valueinteger
  How many of the metric complete the challenge
- 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 StudioTrainingChallengeStudioTrainingChallenge

Show fields (10)

idinteger
Primary key of the training challenge. Internal ID.
namestring
Name of the challenge.
descriptionstring
Description of the challenge.
startstring (date-time)
First moment that counts
endstring (date-time)
Last moment that counts
metricstring
What is counted: training_days, sessions or checkins
target_valueinteger
How many of the metric complete the challenge
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/challenge/42 \
  --header 'content-type: application/json' \
  --header 'x-iw-jwt-token: <TOKEN>' \
  --data '
{
  "data": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "start": "2026-10-15T09:30:00+02:00",
    "end": "2026-10-15T09:30:00+02:00",
    "metric": "string"
  }
}
'

const options = {
  method: 'PUT',
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: JSON.stringify({
    data: {
      id: 42,
      name: 'Beispiel',
      description: 'Text',
      start: '2026-10-15T09:30:00+02:00',
      end: '2026-10-15T09:30:00+02:00',
      metric: 'string'
    }
  })
};

fetch('https://your-instance.iw-erp.de/api/crm/studio_training/challenge/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/challenge/42"

payload = { "data": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "start": "2026-10-15T09:30:00+02:00",
    "end": "2026-10-15T09:30:00+02:00",
    "metric": "string"
  } }
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/challenge/42', [
  'body' => '{"data":{"id":42,"name":"Beispiel","description":"Text","start":"2026-10-15T09:30:00+02:00","end":"2026-10-15T09:30:00+02:00","metric":"string"}}',
  '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/challenge/42"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
  Content = new StringContent("{\"data\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"start\":\"2026-10-15T09:30:00+02:00\",\"end\":\"2026-10-15T09:30:00+02:00\",\"metric\":\"string\"}}")
  {
    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,\"name\":\"Beispiel\",\"description\":\"Text\",\"start\":\"2026-10-15T09:30:00+02:00\",\"end\":\"2026-10-15T09:30:00+02:00\",\"metric\":\"string\"}}");
Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/studio_training/challenge/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/challenge/42"

	payload := strings.NewReader("{\"data\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"start\":\"2026-10-15T09:30:00+02:00\",\"end\":\"2026-10-15T09:30:00+02:00\",\"metric\":\"string\"}}")

	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/challenge/42'),
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: jsonEncode({
    "data": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "start": "2026-10-15T09:30:00+02:00",
      "end": "2026-10-15T09:30:00+02:00",
      "metric": "string"
    }
  }),
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00",
  "metric": "string",
  "target_value": 1,
  "created": "2026-10-15T09:30:00+02:00",
  "updated": "2026-10-15T09:30:00+02:00",
  "deleted": true
}

Update a single StudioTrainingChallenge

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

Path parameters

identifierrequiredstring

Request body application/json

dataStudioTrainingChallenge
Show fields (10)
- idinteger
  Primary key of the training challenge. Internal ID.
- namestring
  Name of the challenge.
- descriptionstring
  Description of the challenge.
- startstring (date-time)
  First moment that counts
- endstring (date-time)
  Last moment that counts
- metricstring
  What is counted: training_days, sessions or checkins
- target_valueinteger
  How many of the metric complete the challenge
- 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 StudioTrainingChallengeStudioTrainingChallenge

Show fields (10)

idinteger
Primary key of the training challenge. Internal ID.
namestring
Name of the challenge.
descriptionstring
Description of the challenge.
startstring (date-time)
First moment that counts
endstring (date-time)
Last moment that counts
metricstring
What is counted: training_days, sessions or checkins
target_valueinteger
How many of the metric complete the challenge
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/challenge/42 \
  --header 'content-type: application/json' \
  --header 'x-iw-jwt-token: <TOKEN>' \
  --data '
{
  "data": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "start": "2026-10-15T09:30:00+02:00",
    "end": "2026-10-15T09:30:00+02:00",
    "metric": "string"
  }
}
'

const options = {
  method: 'PATCH',
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: JSON.stringify({
    data: {
      id: 42,
      name: 'Beispiel',
      description: 'Text',
      start: '2026-10-15T09:30:00+02:00',
      end: '2026-10-15T09:30:00+02:00',
      metric: 'string'
    }
  })
};

fetch('https://your-instance.iw-erp.de/api/crm/studio_training/challenge/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/challenge/42"

payload = { "data": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "start": "2026-10-15T09:30:00+02:00",
    "end": "2026-10-15T09:30:00+02:00",
    "metric": "string"
  } }
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/challenge/42', [
  'body' => '{"data":{"id":42,"name":"Beispiel","description":"Text","start":"2026-10-15T09:30:00+02:00","end":"2026-10-15T09:30:00+02:00","metric":"string"}}',
  '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/challenge/42"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
  Content = new StringContent("{\"data\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"start\":\"2026-10-15T09:30:00+02:00\",\"end\":\"2026-10-15T09:30:00+02:00\",\"metric\":\"string\"}}")
  {
    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,\"name\":\"Beispiel\",\"description\":\"Text\",\"start\":\"2026-10-15T09:30:00+02:00\",\"end\":\"2026-10-15T09:30:00+02:00\",\"metric\":\"string\"}}");
Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/studio_training/challenge/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/challenge/42"

	payload := strings.NewReader("{\"data\":{\"id\":42,\"name\":\"Beispiel\",\"description\":\"Text\",\"start\":\"2026-10-15T09:30:00+02:00\",\"end\":\"2026-10-15T09:30:00+02:00\",\"metric\":\"string\"}}")

	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/challenge/42'),
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: jsonEncode({
    "data": {
      "id": 42,
      "name": "Beispiel",
      "description": "Text",
      "start": "2026-10-15T09:30:00+02:00",
      "end": "2026-10-15T09:30:00+02:00",
      "metric": "string"
    }
  }),
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00",
  "metric": "string",
  "target_value": 1,
  "created": "2026-10-15T09:30:00+02:00",
  "updated": "2026-10-15T09:30:00+02:00",
  "deleted": true
}

Delete a single StudioTrainingChallenge (soft delete)

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

Path parameters

identifierrequiredstring

Responses

200Delete a single StudioTrainingChallengeStudioTrainingChallenge

Show fields (10)

idinteger
Primary key of the training challenge. Internal ID.
namestring
Name of the challenge.
descriptionstring
Description of the challenge.
startstring (date-time)
First moment that counts
endstring (date-time)
Last moment that counts
metricstring
What is counted: training_days, sessions or checkins
target_valueinteger
How many of the metric complete the challenge
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/challenge/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/challenge/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/challenge/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/challenge/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/challenge/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/challenge/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/challenge/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_challenge_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 StudioTrainingChallengeController.delete('42');
if (result.success) {
  print(result.data);
}

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00",
  "metric": "string",
  "target_value": 1,
  "created": "2026-10-15T09:30:00+02:00",
  "updated": "2026-10-15T09:30:00+02:00",
  "deleted": true
}