lists.field.add

curl -X POST \
-H "Content-Type: application/json" \
-H "Accept: application/json" \
-d '{"IBLOCK_TYPE_ID":"lists","IBLOCK_ID":"123","FIELDS":{"NAME":"Проект","IS_REQUIRED":"Y","MULTIPLE":"N","TYPE":"L","SORT":"10","CODE":"PROJECT","LIST":{"10":{"VALUE":"Планирование","SORT":10,"DEF":"Y"},"20":{"VALUE":"В разработке","SORT":20,"DEF":"N"}},"LIST_TEXT_VALUES":"Тестирование\nЗавершен\nОтложен","SETTINGS":{"SHOW_ADD_FORM":"Y","SHOW_EDIT_FORM":"Y","ADD_READ_ONLY_FIELD":"N","EDIT_READ_ONLY_FIELD":"N","SHOW_FIELD_PREVIEW":"N"}},"auth":"**put_access_token_here**"}' \
https://**put_your_bitrix24_address**/rest/lists.field.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

try {
  const response = await $b24.actions.v2.call.make<string>({
    method: 'lists.field.add',
    params: {
      IBLOCK_TYPE_ID: 'lists',
      IBLOCK_ID: '123',
      FIELDS: {
        NAME: 'Project',
        IS_REQUIRED: 'Y',
        MULTIPLE: 'N',
        TYPE: 'L',
        SORT: '10',
        CODE: 'PROJECT',
        LIST: {
          '10': { VALUE: 'Planning', SORT: 10, DEF: 'Y' },
          '20': { VALUE: 'In progress', SORT: 20, DEF: 'N' },
        },
        LIST_TEXT_VALUES: 'Testing\nCompleted\nPostponed',
        SETTINGS: {
          SHOW_ADD_FORM: 'Y',
          SHOW_EDIT_FORM: 'Y',
          ADD_READ_ONLY_FIELD: 'N',
          EDIT_READ_ONLY_FIELD: 'N',
          SHOW_FIELD_PREVIEW: 'N',
        },
      },
    },
    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 ID:', result)
  }
} 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 addListField() {
    try {
      // Initialize the SDK inside a Bitrix24 frame
      const $b24 = await B24Js.initializeB24Frame()

      const response = await $b24.actions.v2.call.make({
        method: 'lists.field.add',
        params: {
          IBLOCK_TYPE_ID: 'lists',
          IBLOCK_ID: '123',
          FIELDS: {
            NAME: 'Project',
            IS_REQUIRED: 'Y',
            MULTIPLE: 'N',
            TYPE: 'L',
            SORT: '10',
            CODE: 'PROJECT',
            LIST: {
              '10': { VALUE: 'Planning', SORT: 10, DEF: 'Y' },
              '20': { VALUE: 'In progress', SORT: 20, DEF: 'N' },
            },
            LIST_TEXT_VALUES: 'Testing\nCompleted\nPostponed',
            SETTINGS: {
              SHOW_ADD_FORM: 'Y',
              SHOW_EDIT_FORM: 'Y',
              ADD_READ_ONLY_FIELD: 'N',
              EDIT_READ_ONLY_FIELD: 'N',
              SHOW_FIELD_PREVIEW: 'N',
            },
          },
        },
        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 ID:', result)
    } catch (error) {
      // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
      console.error(error)
    }
  }

  document.addEventListener('DOMContentLoaded', addListField)
</script>

from b24pysdk.errors import BitrixAPIError, BitrixSDKException

fields = {
    "NAME": "Проект",
    "IS_REQUIRED": "Y",
    "MULTIPLE": "N",
    "TYPE": "L",
    "SORT": "10",
    "CODE": "PROJECT",
    "LIST": {
        "10": {
            "VALUE": "Планирование",
            "SORT": 10,
            "DEF": "Y",
        },
        "20": {
            "VALUE": "В разработке",
            "SORT": 20,
            "DEF": "N",
        },
    },
    "LIST_TEXT_VALUES": "Тестирование\nЗавершен\nОтложен",
    "SETTINGS": {
        "SHOW_ADD_FORM": "Y",
        "SHOW_EDIT_FORM": "Y",
        "ADD_READ_ONLY_FIELD": "N",
        "EDIT_READ_ONLY_FIELD": "N",
        "SHOW_FIELD_PREVIEW": "N",
    },
}

try:
    bitrix_response = client.lists.field.add(
        iblock_type_id="lists",
        iblock_id=123,
        fields=fields,
    ).response
    result = bitrix_response.result
    print(result)
except BitrixAPIError as error:
    print(
        "Ошибка Bitrix API",
        f"error: {error.error}",
        f"error_description: {error.error_description}",
        sep="\n",
    )
except BitrixSDKException as error:
    print(f"Ошибка Bitrix SDK: {error.message}")
except Exception as error:
    print(f"Непредвиденная ошибка: {error}")

try {
    $response = $b24Service
        ->core
        ->call(
            'lists.field.add',
            [
                'IBLOCK_TYPE_ID' => 'lists',
                'IBLOCK_ID' => '123',
                'FIELDS' => [
                    'NAME' => 'Проект',
                    'IS_REQUIRED' => 'Y',
                    'MULTIPLE' => 'N',
                    'TYPE' => 'L',
                    'SORT' => '10',
                    'CODE' => 'PROJECT',
                    'LIST' => [
                        '10' => ['VALUE' => 'Планирование', 'SORT' => 10, 'DEF' => 'Y'],
                        '20' => ['VALUE' => 'В разработке', 'SORT' => 20, 'DEF' => 'N']
                    ],
                    'LIST_TEXT_VALUES' => 'Тестирование\nЗавершен\nОтложен',
                    'SETTINGS' => [
                        'SHOW_ADD_FORM' => 'Y',
                        'SHOW_EDIT_FORM' => 'Y',
                        'ADD_READ_ONLY_FIELD' => 'N',
                        'EDIT_READ_ONLY_FIELD' => 'N',
                        'SHOW_FIELD_PREVIEW' => 'N'
                    ]
                ]
            ]
        );

    $result = $response
        ->getResponseData()
        ->getResult();

    echo 'Success: ' . print_r($result, true);
    processData($result);

} catch (Throwable $e) {
    error_log($e->getMessage());
    echo 'Error adding field: ' . $e->getMessage();
}

BX24.callMethod(
    'lists.field.add',
    {
        'IBLOCK_TYPE_ID': 'lists',
        'IBLOCK_ID': '123',
        'FIELDS': {
            'NAME': 'Проект',
            'IS_REQUIRED': 'Y',
            'MULTIPLE': 'N',
            'TYPE': 'L',
            'SORT': '10',
            'CODE': 'PROJECT',
            // Задаем основные значения с настройками
            'LIST': {
                '10': { 'VALUE': 'Планирование', 'SORT': 10, 'DEF': 'Y' },
                '20': { 'VALUE': 'В разработке', 'SORT': 20, 'DEF': 'N' }
            },
            // Добавляем еще значения простой строкой
            'LIST_TEXT_VALUES': 'Тестирование\nЗавершен\nОтложен',
            'SETTINGS': {
                'SHOW_ADD_FORM': 'Y',
                'SHOW_EDIT_FORM': 'Y',
                'ADD_READ_ONLY_FIELD': 'N',
                'EDIT_READ_ONLY_FIELD': 'N',
                'SHOW_FIELD_PREVIEW': 'N'
            }
        }
    },
    function(result) {
        if (result.error()) {
            console.error(result.error());
        } else {
            console.log(result.data());
            // Итоговый список будет содержать 5 вариантов:
            // 1. Планирование (по умолчанию), 2. В разработке,
            // 3. Тестирование, 4. Завершен, 5. Отложен
        }
    }
);

require_once('crest.php');

$result = CRest::call(
    'lists.field.add',
    [
        'IBLOCK_TYPE_ID' => 'lists',
        'IBLOCK_ID' => '123',
        'FIELDS' => [
            'NAME' => 'Проект',
            'IS_REQUIRED' => 'Y',
            'MULTIPLE' => 'N',
            'TYPE' => 'L',
            'SORT' => '10',
            'CODE' => 'PROJECT',
            'LIST' => [
                '10' => ['VALUE' => 'Планирование', 'SORT' => 10, 'DEF' => 'Y'],
                '20' => ['VALUE' => 'В разработке', 'SORT' => 20, 'DEF' => 'N']
            ],
            'LIST_TEXT_VALUES' => 'Тестирование\nЗавершен\nОтложен',
            'SETTINGS' => [
                'SHOW_ADD_FORM' => 'Y',
                'SHOW_EDIT_FORM' => 'Y',
                'ADD_READ_ONLY_FIELD' => 'N',
                'EDIT_READ_ONLY_FIELD' => 'N',
                'SHOW_FIELD_PREVIEW' => 'N'
            ]
        ]
    ]
);

echo '<PRE>';
print_r($result);
echo '</PRE>';

// client и ctx уже созданы — см. раздел «SDK для Go»
res, err := client.Core().Call(ctx, "lists.field.add", b24.Params{
	"IBLOCK_TYPE_ID": "lists",
	"IBLOCK_ID":      "123",
	"FIELDS": b24.Params{
		"NAME":        "Проект",
		"IS_REQUIRED": "Y",
		"MULTIPLE":    "N",
		"TYPE":        "L",
		"SORT":        "10",
		"CODE":        "PROJECT",
		"LIST": b24.Params{
			"10": b24.Params{
				"VALUE": "Планирование",
				"SORT":  10,
				"DEF":   "Y",
			},
			"20": b24.Params{
				"VALUE": "В разработке",
				"SORT":  20,
				"DEF":   "N",
			},
		},
		"LIST_TEXT_VALUES": "Тестирование\nЗавершен\nОтложен",
		"SETTINGS": b24.Params{
			"SHOW_ADD_FORM":        "Y",
			"SHOW_EDIT_FORM":       "Y",
			"ADD_READ_ONLY_FIELD":  "N",
			"EDIT_READ_ONLY_FIELD": "N",
			"SHOW_FIELD_PREVIEW":   "N",
		},
	},
})
if err != nil {
	return fmt.Errorf("lists.field.add: %w", err)
}

var value string
if err := json.Unmarshal(res.Result, &value); err != nil {
	return fmt.Errorf("разбор ответа: %w", err)
}
fmt.Println("результат:", value)