Create a Field for Universal List lists.field.add

Scope: lists

Who can execute the method: a user with "Full access" permission for the required list

The method lists.field.add creates a list field.

You can find the available field types for the universal list using the method lists.field.type.get

Method Parameters

Required parameters are marked with *

Name
type

Description

IBLOCK_TYPE_ID*
string

Identifier of the information block type. Possible values:

  • lists — list information block type
  • bitrix_processes — processes information block type
  • lists_socnet — group lists information block type

The identifier can be obtained using the method lists.get.iblock.type.id

IBLOCK_ID*
integer

Identifier of the information block.

The identifier can be obtained using the method lists.get

IBLOCK_CODE*
string

Symbolic code of the information block.

The code can be obtained using the method lists.get

At least one of the parameters: IBLOCK_ID or IBLOCK_CODE must be specified.

FIELDS*
array

Array of parameters.

Detailed description

Parameter FIELDS

Required parameters are marked with *

Name
type

Description

NAME*
string

Field name

TYPE*
string

Field type. Once created, the field type cannot be changed.

Custom fields:

  • S — String
  • N — Number
  • L — List
  • F — File
  • G — Section binding
  • E — Element binding
  • S:Date — Date
  • S:DateTime — Date/Time
  • S:HTML — HTML/Text
  • E:EList — Element binding as a list
  • N:Sequence — Counter
  • S:ECrm — CRM element binding
  • S:Money — Money
  • S:DiskFile — File (Disk)
  • S:employee — Employee binding

System fields:

  • SORT — Sorting
  • ACTIVE_FROM — Start of activity
  • ACTIVE_TO — End of activity
  • PREVIEW_PICTURE — Preview image
  • PREVIEW_TEXT — Preview text
  • DETAIL_PICTURE — Detailed image
  • DETAIL_TEXT — Detailed text
  • DATE_CREATE — Creation date
  • CREATED_BY — Created by
  • TIMESTAMP_X — Modification date
  • MODIFIED_BY — Modified by

Values in the fields Creation date, Modification date, Created by, and Modified by are filled automatically.

System fields are not added to the new list by default. To display them in the list interface, they must also be explicitly created.

IS_REQUIRED
string

Field required flag. Possible values:

  • Y — yes
  • N — no

Default — N

MULTIPLE
string

Field multiplicity flag. Possible values:

  • Y — yes
  • N — no

Default — N.

System fields cannot be multiple

SORT
integer

Sorting

DEFAULT_VALUE

Default value. If the ADD_READ_ONLY_FIELD setting is enabled in SETTINGS, this parameter becomes required

LIST
array

Values for the List type field. An array in the format {'ID': { 'VALUE': 'Value_1', 'SORT': 10, 'DEF': 'N' }}, where 'ID' — temporary identifier, VALUE — displayed text, SORT — sorting order, DEF — default value indicator.

After creating the field, the system will replace temporary identifiers with permanent ones

LIST_TEXT_VALUES
string

An alternative way to specify values for the List type field. A string where values are separated by the newline character \n

When creating a List type field, you can use either LIST, LIST_TEXT_VALUES, or both parameters together. In this case, the values from the string will be added to those already present in the array.

LIST_DEF
array

Default value for the List type field. The array accepts a temporary identifier from LIST

CODE
string

Symbolic code of the field. Required for custom fields. Not used for system fields

SETTINGS
array

Display and behavior settings.

Supported values:

  • SHOW_ADD_FORM — show in the add form
  • SHOW_EDIT_FORM — show in the edit form
  • ADD_READ_ONLY_FIELD — read-only (add form)
  • EDIT_READ_ONLY_FIELD — read-only (edit form)
  • SHOW_FIELD_PREVIEW — show field when generating a link to the list item

To enable a setting, use Y, to disable — N.

Default: SHOW_ADD_FORMY, SHOW_EDIT_FORMY, ADD_READ_ONLY_FIELDN, EDIT_READ_ONLY_FIELDN, SHOW_FIELD_PREVIEWN

USER_TYPE_SETTINGS
array

Array of settings for custom fields. The structure depends on the field type:

  • HTML/Text — array in the format {'height': 200}, where height — height of the editor window
  • Element binding as a list — array in the format {'size': 1, 'width': 0, 'group': 'N', 'multiple': 'N'}, where size — height of the list, width — width restriction (0 - no restriction), group — grouping by sections, multiple — display as a multiple choice list
  • Counter — array in the format {'write': 'N', 'VALUE': 1}, where write — permission to change values, VALUE — current counter value
  • CRM element binding — array in the format {'VISIBLE': 'N', 'LEAD': 'N', 'CONTACT': 'N', 'COMPANY': 'N', 'DEAL': 'N'}, where VISIBLE — visibility in the CRM card, LEAD — lead, CONTACT — contact, COMPANY — company, DEAL — deal

If not passed — the system will set default values as specified in the array examples

ROW_COUNT
integer

Height of the field.

Default — 1

COL_COUNT
integer

Width of the field.

Default — 30

LINK_IBLOCK_ID
integer

Identifier of the related list. Required for types Binding to sections, Binding to elements, and Binding to elements as a list

Code Examples

How to Use Examples in Documentation

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"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 Development","SORT":20,"DEF":"N"}},"LIST_TEXT_VALUES":"Testing\nCompleted\nDeferred","SETTINGS":{"SHOW_ADD_FORM":"Y","SHOW_EDIT_FORM":"Y","ADD_READ_ONLY_FIELD":"N","EDIT_READ_ONLY_FIELD":"N","SHOW_FIELD_PREVIEW":"N"}}}' \
        https://**put_your_bitrix24_address**/rest/**put_your_user_id_here**/**put_your_webhook_here**/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":"Project","IS_REQUIRED":"Y","MULTIPLE":"N","TYPE":"L","SORT":"10","CODE":"PROJECT","LIST":{"10":{"VALUE":"Planning","SORT":10,"DEF":"Y"},"20":{"VALUE":"In Development","SORT":20,"DEF":"N"}},"LIST_TEXT_VALUES":"Testing\nCompleted\nDeferred","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
        
try {
            const response = await $b24.callMethod(
                'lists.field.add',
                {
                    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 Development', SORT: 20, DEF: 'N' }
                        },
                        LIST_TEXT_VALUES: 'Testing\nCompleted\nDeferred',
                        SETTINGS: {
                            SHOW_ADD_FORM: 'Y',
                            SHOW_EDIT_FORM: 'Y',
                            ADD_READ_ONLY_FIELD: 'N',
                            EDIT_READ_ONLY_FIELD: 'N',
                            SHOW_FIELD_PREVIEW: 'N'
                        }
                    }
                }
            );
        
            const result = response.getData().result;
            console.log('Created field with ID:', result);
            processResult(result);
        } catch (error) {
            console.error('Error:', error);
        }
        
try {
            $response = $b24Service
                ->core
                ->call(
                    'lists.field.add',
                    [
                        '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 Development', 'SORT' => 20, 'DEF' => 'N']
                            ],
                            'LIST_TEXT_VALUES' => 'Testing\nCompleted\nDeferred',
                            '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': 'Project',
                    'IS_REQUIRED': 'Y',
                    'MULTIPLE': 'N',
                    'TYPE': 'L',
                    'SORT': '10',
                    'CODE': 'PROJECT',
                    'LIST': {
                        '10': { 'VALUE': 'Planning', 'SORT': 10, 'DEF': 'Y' },
                        '20': { 'VALUE': 'In Development', 'SORT': 20, 'DEF': 'N' }
                    },Э
                    'LIST_TEXT_VALUES': 'Testing\nCompleted\nDeferred',
                    '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());
                    // The final list will contain 5 options:
                    // 1. Planning (default), 2. In Development,
                    // 3. Testing, 4. Completed, 5. Deferred
                }
            }
        );
        
require_once('crest.php');
        
        $result = CRest::call(
            'lists.field.add',
            [
                '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 Development', 'SORT' => 20, 'DEF' => 'N']
                    ],
                    'LIST_TEXT_VALUES' => 'Testing\nCompleted\nDeferred',
                    '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>';
        

Response Handling

HTTP status: 200

{
            "result": "PROPERTY_1151",
            "time": {
                "start": 1765317940,
                "finish": 1765317940.172892,
                "duration": 0.17289209365844727,
                "processing": 0,
                "date_start": "2025-12-09T14:05:40+01:00",
                "date_finish": "2025-12-09T14:05:40+01:00",
                "operating_reset_at": 1765318540,
                "operating": 0
            }
        }
        

Returned Data

Name
type

Description

result
string

Identifier of the created field with the prefix PROPERTY_.

If a system field is created, its symbolic code is returned

time
time

Information about the request execution time

Error Handling

HTTP status: 400

{
            "error":"ERROR_SAVE_FIELD",
            "error_description":"Please fill the code fields"
        }
        

Name
type

Description

error
string

String error code. It may consist of digits, Latin letters, and underscores

error_description
error_description

Textual description of the error. The description is not intended to be shown to the end user in its raw form

Possible Error Codes

Code

Description

Value

ERROR_REQUIRED_PARAMETERS_MISSING

Required parameter X is missing

Required parameter not passed

ERROR_IBLOCK_NOT_FOUND

Iblock not found

Information block not found

ERROR_SAVE_FIELD

Error saving the field

General error during the call

ERROR_SAVE_FIELD

Property already exists

CODE is already in use in the list

ERROR_SAVE_FIELD

Please fill the code fields

CODE not specified for custom field

ERROR_SAVE_FIELD

The default value of the field '...' is required

The ADD_READ_ONLY_FIELD setting is enabled, but DEFAULT_VALUE is not specified

ERROR_SAVE_FIELD

Incorrect lists specified for '...' property

Error in one of the parameters inside FIELDS

ACCESS_DENIED

Access denied

Insufficient rights to add the field

Statuses and System Error Codes

HTTP Status: 20x, 40x, 50x

The errors described below may occur when calling any method.

Status

Code
Error Message

Description

500

INTERNAL_SERVER_ERROR
Internal server error

An internal server error has occurred, please contact the server administrator or Bitrix24 technical support

500

ERROR_UNEXPECTED_ANSWER
Server returned an unexpected response

An internal server error has occurred, please contact the server administrator or Bitrix24 technical support

503

QUERY_LIMIT_EXCEEDED
Too many requests

The request intensity limit has been exceeded

405

ERROR_BATCH_METHOD_NOT_ALLOWED
Method is not allowed for batch usage

The current method is not allowed to be called using batch

400

ERROR_BATCH_LENGTH_EXCEEDED
Max batch length exceeded

The maximum length of parameters passed to the batch method has been exceeded

401

NO_AUTH_FOUND
Wrong authorization data

Invalid access token or webhook code

400

INVALID_REQUEST
Https required

The methods must be called using the HTTPS protocol

503

OVERLOAD_LIMIT
REST API is blocked due to overload

The REST API is blocked due to overload. This is a manual individual block, to remove it you need to contact Bitrix24 technical support

403

ACCESS_DENIED
REST API is available only on commercial plans

The REST API is available only on commercial plans

403

INVALID_CREDENTIALS
Invalid request credentials

The user whose access token or webhook was used to call the method lacks permissions

404

ERROR_MANIFEST_IS_NOT_AVAILABLE
Manifest is not available

The manifest is not available

403

insufficient_scope
The request requires higher privileges than provided by the webhook token

The request requires higher privileges than those provided by the webhook token

401

expired_token
The access token provided has expired

The provided access token has expired

403

user_access_error
The user does not have access to the application

The user does not have access to the application. This means that the application is installed, but the account administrator has allowed access to this application only for specific users

500

PORTAL_DELETED
Portal was deleted

The public part of the site is closed. To open the public part of the site on an on-premise installation, disable the option "Temporary closure of the public part of the site". Path to the setting: Desktop > Settings > Product Settings > Module Settings > Main Module > Temporary closure of the public part of the site

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