Add Custom Field userfieldconfig.add

curl -X POST \
          -H "Content-Type: application/json" \
          -H "Accept: application/json" \
          -d '{
            "moduleId": "crm",
            "field": {
              "entityId": "CRM_7",
              "fieldName": "UF_CRM_7_NEW_REST_LIST_2026",
              "userTypeId": "enumeration",
              "multiple": "Y",
              "editFormLabel": {
                "en": "List of characteristics"
              },
              "enum": [
                { "value": "Characteristic 1", "def": "N", "sort": 100 },
                { "value": "Characteristic 2", "def": "Y", "sort": 200 }
              ]
            },
            "auth": "**put_access_token_here**"
          }' \
          "https://**put_your_bitrix24_address**/rest/userfieldconfig.add"
        

// This snippet is an ES module: top-level await requires type="module" or a bundler.
        // $b24 is an already-initialized SDK instance (see the SDK "Get started" guide).
        import { Text } from '@bitrix24/b24jssdk'
        import type { B24Frame } from '@bitrix24/b24jssdk'
        
        declare const $b24: B24Frame
        
        // Shape of the payload returned in result (match the "response handling" section of the page)
        type UserfieldconfigAddResult = {
          field: {
            id: string
            entityId: string
            fieldName: string
            userTypeId: string
            xmlId: string | null
            sort: string
            multiple: string
            mandatory: string
            showFilter: string
            showInList: string
            editInList: string
            isSearchable: string
            settings: Record<string, unknown>
            languageId: Record<string, string>
            editFormLabel: Record<string, string | null>
            listColumnLabel: Record<string, string | null>
            listFilterLabel: Record<string, string | null>
            errorMessage: Record<string, string | null>
            helpMessage: Record<string, string | null>
            enum?: Array<{
              id: string
              userFieldId: string
              value: string
              def: string
              sort: string
              xmlId: string
            }>
          }
        }
        
        try {
          const response = await $b24.actions.v2.call.make<UserfieldconfigAddResult>({
            method: 'userfieldconfig.add',
            params: {
              moduleId: 'crm',
              field: {
                entityId: 'CRM_7',
                fieldName: 'UF_CRM_7_NEW_REST_LIST_2026',
                userTypeId: 'enumeration',
                multiple: 'Y',
                editFormLabel: {
                  en: 'List of characteristics',
                },
                enum: [
                  { value: 'Characteristic 1', def: 'N', sort: 100 },
                  { value: 'Characteristic 2', def: 'Y', sort: 200 },
                ],
              },
            },
            requestId: Text.getUuidRfc4122()
          })
        
          // The payload is available only on a successful response
          if (!response.isSuccess) {
            console.error(response.getErrorMessages().join('; '))
          } else {
            const result = response.getData()!.result
            console.info('Created field:', result.field.id, result.field.fieldName)
          }
        } catch (error) {
          // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
          console.error(error)
        }
        

<!-- Load the SDK (UMD build); it is exposed as the global B24Js -->
        <script src="https://unpkg.com/@bitrix24/b24jssdk@1/dist/umd/index.min.js"></script>
        <script>
          async function addUserfield() {
            try {
              // Initialize the SDK inside a Bitrix24 frame
              const $b24 = await B24Js.initializeB24Frame()
        
              const response = await $b24.actions.v2.call.make({
                method: 'userfieldconfig.add',
                params: {
                  moduleId: 'crm',
                  field: {
                    entityId: 'CRM_7',
                    fieldName: 'UF_CRM_7_NEW_REST_LIST_2026',
                    userTypeId: 'enumeration',
                    multiple: 'Y',
                    editFormLabel: {
                      en: 'List of characteristics',
                    },
                    enum: [
                      { value: 'Characteristic 1', def: 'N', sort: 100 },
                      { value: 'Characteristic 2', def: 'Y', sort: 200 },
                    ],
                  },
                },
                requestId: B24Js.Text.getUuidRfc4122()
              })
        
              // The payload is available only on a successful response
              if (!response.isSuccess) {
                console.error(response.getErrorMessages().join('; '))
                return
              }
        
              const result = response.getData().result
              console.info('Created field:', result.field.id, result.field.fieldName)
            } catch (error) {
              // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
              console.error(error)
            }
          }
        
          document.addEventListener('DOMContentLoaded', addUserfield)
        </script>
        

from b24pysdk.errors import BitrixAPIError, BitrixSDKException
        
        try:
            bitrix_response = client.userfieldconfig.add(
                module_id="crm",
                field={
                    "entityId": "CRM_7",
                    "fieldName": "UF_CRM_7_NEW_REST_LIST_2026",
                    "userTypeId": "enumeration",
                    "multiple": "Y",
                    "editFormLabel": {
                        "ru": "List of characteristics",
                        "en": "List of characteristics",
                    },
                    "listColumnLabel": {
                        "ru": "Characteristics",
                        "en": "Characteristics",
                    },
                    "listFilterLabel": {
                        "ru": "Characteristics",
                        "en": "Characteristics",
                    },
                    "settings": {
                        "DISPLAY": "LIST",
                        "LIST_HEIGHT": 1,
                    },
                    "enum": [
                        {
                            "value": "Characteristic 1",
                            "def": "N",
                            "sort": 100,
                        },
                        {
                            "value": "Characteristic 2",
                            "def": "Y",
                            "sort": 200,
                        },
                    ],
                },
            ).response
            result = bitrix_response.result
            print(result)
        except BitrixAPIError as error:
            print(
                "Bitrix API error",
                f"error: {error.error}",
                f"error_description: {error.error_description}",
                sep="\n",
            )
        except BitrixSDKException as error:
            print(f"Bitrix SDK error: {error.message}")
        except Exception as error:
            print(f"Unexpected error: {error}")
        

$payload = [
            'auth' => '**put_access_token_here**',
            'moduleId' => 'crm',
            'field' => [
                'entityId' => 'CRM_7',
                'fieldName' => 'UF_CRM_7_NEW_REST_LIST_2026',
                'userTypeId' => 'enumeration',
                'multiple' => 'Y',
                'editFormLabel' => [
                    'en' => 'List of characteristics',
                ],
                'enum' => [
                    ['value' => 'Characteristic 1', 'def' => 'N', 'sort' => 100],
                    ['value' => 'Characteristic 2', 'def' => 'Y', 'sort' => 200],
                ],
            ],
        ];
        
        $curl = curl_init('https://**put_your_bitrix24_address**/rest/userfieldconfig.add.json');
        curl_setopt_array($curl, [
            CURLOPT_POST => true,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
            CURLOPT_POSTFIELDS => json_encode($payload),
        ]);
        
        $result = curl_exec($curl);
        curl_close($curl);
        
        print_r($result);
        

BX24.callMethod(
            "userfieldconfig.add",
            {
                moduleId: "crm",
                field: {
                    entityId: "CRM_7",
                    fieldName: "UF_CRM_7_NEW_REST_LIST_2026",
                    userTypeId: "enumeration",
                    multiple: "Y",
                    editFormLabel: {
                        en: "List of characteristics",
                    },
                    enum: [
                        { value: "Characteristic 1", def: "N", sort: 100 },
                        { value: "Characteristic 2", def: "Y", sort: 200 },
                    ],
                },
            },
            (result) => {
                if (result.error()) {
                    console.error(result.error());
                } else {
                    console.info(result.data());
                }
            }
        );
        

require_once('crest.php');
        
        $result = CRest::call(
            'userfieldconfig.add',
            [
                'moduleId' => 'crm',
                'field' => [
                    'entityId' => 'CRM_7',
                    'fieldName' => 'UF_CRM_7_NEW_REST_LIST_2026',
                    'userTypeId' => 'enumeration',
                    'multiple' => 'Y',
                    'editFormLabel' => [
                        'en' => 'List of characteristics',
                    ],
                    'enum' => [
                        ['value' => 'Characteristic 1', 'def' => 'N', 'sort' => 100],
                        ['value' => 'Characteristic 2', 'def' => 'Y', 'sort' => 200],
                    ],
                ],
            ]
        );
        
        echo '<pre>';
        print_r($result);
        echo '</pre>';
        

// client and ctx are already created — see the Go SDK section
        res, err := client.Core().Call(ctx, "userfieldconfig.add", b24.Params{
        	"moduleId": "crm",
        	"field": b24.Params{
        		"entityId":   "CRM_7",
        		"fieldName":  "UF_CRM_7_NEW_REST_LIST_2026",
        		"userTypeId": "enumeration",
        		"multiple":   "Y",
        		"editFormLabel": b24.Params{
        			"en": "List of characteristics",
        		},
        		"enum": []b24.Params{
        			{
        				"value": "Characteristic 1",
        				"def":   "N",
        				"sort":  100,
        			},
        			{
        				"value": "Characteristic 2",
        				"def":   "Y",
        				"sort":  200,
        			},
        		},
        	},
        })
        if err != nil {
        	return fmt.Errorf("userfieldconfig.add: %w", err)
        }
        
        // The method wraps the response in an object with the "field" key.
        raw, ok := b24.Unwrap(res.Result, "field")
        if !ok {
        	return fmt.Errorf("no field key in the response")
        }
        
        var item struct {
        	ID         b24.ID `json:"id"`
        	EntityID   string `json:"entityId"`
        	FieldName  string `json:"fieldName"`
        	UserTypeID string `json:"userTypeId"`
        	Sort       string `json:"sort"`
        	Multiple   string `json:"multiple"`
        }
        if err := json.Unmarshal(raw, &item); err != nil {
        	return fmt.Errorf("parse response: %w", err)
        }
        fmt.Println(item.ID, item.EntityID)