Update List Element lists.element.update

If you are developing integrations for Bitrix24 using AI tools (Codex, Claude Code, Cursor), connect to the MCP server so that the assistant can utilize the official REST documentation.

Scope: lists

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

The method lists.element.update updates a list element.

The method completely overwrites the element. Fields whose values are not provided will be cleared.

Method Parameters

Required parameters are marked with *

Name `type`	Description
IBLOCK_TYPE_ID* `string`	Identifier of the information block. Possible values: `lists` — list information block type `bitrix_processes` — processes information block type `lists_socnet` — group lists information block type
IBLOCK_ID* `integer`	Identifier of the information block. The identifier can be obtained using the lists.get method.
IBLOCK_CODE* `string`	Symbolic code of the information block. The code can be obtained using the lists.get method. At least one of the parameters must be specified: `IBLOCK_ID` or `IBLOCK_CODE`.
ELEMENT_ID* `integer`	Identifier of the element. The identifier can be obtained using the lists.element.get method.
ELEMENT_CODE* `string`	Symbolic code of the element. The code can be obtained using the lists.element.get method. At least one of the parameters must be specified: `ELEMENT_ID` or `ELEMENT_CODE`.
FIELDS* `array`	Array of fields. Detailed description

FIELDS Parameter

Required parameters are marked with *

Name
type

Description

NAME*
string

Name of the element

PROPERTY_PropertyId

Custom properties.

Any property of the element can be configured as multiple. For multiple properties, pass an array, even if there is only one value.

To pass a value in a File type field, specify:

for File type — base64 or an array with the name and base64
for File type (Drive) — file identifier from Drive

More about working with files in the article How to Update and Delete Files

You can get data about the list fields using the lists.field.get method.

Code Examples

How to Use Examples in Documentation

cURL (Webhook)

cURL (OAuth)

PHP

BX24.js

PHP CRest

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"IBLOCK_TYPE_ID":"lists","IBLOCK_ID":47,"ELEMENT_ID":6999,"FIELDS":{"NAME":"Test Element (updated)","PROPERTY_951":["1269"]}}' \
        https://**put_your_bitrix24_address**/rest/**put_your_user_id_here**/**put_your_webhook_here**/lists.element.update

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"IBLOCK_TYPE_ID":"lists","IBLOCK_ID":47,"ELEMENT_ID":6999,"FIELDS":{"NAME":"Test Element (updated)","PROPERTY_951":["1269"]},"auth":"**put_access_token_here**"}' \
        https://**put_your_bitrix24_address**/rest/lists.element.update

try
        {
            const response = await $b24.callMethod(
                'lists.element.update',
                {
                    IBLOCK_TYPE_ID: 'lists',
                    IBLOCK_ID: 47,
                    ELEMENT_ID: 6999,
                    FIELDS: {
                        NAME: 'Test Element (updated)',
                        PROPERTY_951: ["1269"]
                    }
                }
            );
            
            const result = response.getData().result;
            console.log('Updated element with ID:', result);
            processResult(result);
        }
        catch( error )
        {
            console.error('Error:', error);
        }

try {
            $response = $b24Service
                ->core
                ->call(
                    'lists.element.update',
                    [
                        'IBLOCK_TYPE_ID' => 'lists',
                        'IBLOCK_ID' => 47,
                        'ELEMENT_ID' => 6999,
                        'FIELDS' => [
                            'NAME' => 'Test Element (updated)',
                            'PROPERTY_951' => ["1269"]
                        ]
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
            processData($result);
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error updating element: ' . $e->getMessage();
        }

BX24.callMethod(
            'lists.element.update',
            {
                IBLOCK_TYPE_ID: 'lists',
                IBLOCK_ID: 47,
                ELEMENT_ID: 6999,
                FIELDS: {
                    NAME: 'Test Element (updated)',
                    PROPERTY_951: ["1269"]
                }
            },
            function(res) {
                if (res.error()) {
                    console.error('Update error:', res.error());
                } else {
                    console.log('Element successfully updated:', res.data());
                }
            }
        );

require_once('crest.php');
        
        $result = CRest::call(
            'lists.element.update',
            [
                'IBLOCK_TYPE_ID' => 'lists',
                'IBLOCK_ID' => 47,
                'ELEMENT_ID' => 6999,
                'FIELDS' => [
                    'NAME' => 'Test Element (updated)',
                    'PROPERTY_951' => ["1269"]
                ]
            ]
        );
        
        echo '<PRE>';
        print_r($result);
        echo '</PRE>';

Response Handling

HTTP status: 200

{
            "result": true,
            "time": {
                "start": 1763658078,
                "finish": 1763658078.767221,
                "duration": 0.7672209739685059,
                "processing": 0,
                "date_start": "2025-11-19T15:01:18+01:00",
                "date_finish": "2025-11-19T15:01:18+01:00",
                "operating_reset_at": 1763658678,
                "operating": 0.1465599536895752
            }
        }

Returned Data

Name `type`	Description
result `boolean`	Returns `true` if the element was successfully updated.
time `time`	Information about the request execution time.

Error Handling

HTTP status: 400

{
            "error":"ERROR_ELEMENT_FIELD_VALUE",
            "error_description":"Writing file values by ID is not supported"
        }

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 provided.
`ERROR_IBLOCK_NOT_FOUND`	Iblock not found	Information block not found.
`ERROR_ELEMENT_NOT_FOUND`	Element not found	Element with such `ID`/`CODE` not found.
`ERROR_UPDATE_ELEMENT`	—	Error updating the element.
`ERROR_ELEMENT_FIELD_VALUE`	Writing file values by ID is not supported	Field value validation error.
`ACCESS_DENIED`	Access denied	Insufficient permissions to update the element.

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 permitted for calls 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 HTTPS protocol is required for method calls
`503`	`OVERLOAD_LIMIT` REST API is blocked due to overload	The REST API is blocked due to overload. This is a manual individual block; please contact Bitrix24 technical support to lift it
`403`	`ACCESS_DENIED` REST API is available only on commercial plans	The REST API is only available on commercial plans
`403`	`INVALID_CREDENTIALS` Invalid request credentials	The user associated with the access token or webhook used to call the method lacks the necessary 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 portal administrator has restricted access to this application to specific users only
`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 "Temporary closure of the public part of the site" option. Path to the setting: Desktop > Settings > Product Settings > Module Settings > Main Module > Temporary closure of the public part of the site

Continue Learning

Create an Element

Retrieve Element Parameters or List of Elements

Update List Element lists.element.update

Method ParametersMethod Parameters

FIELDS ParameterFIELDS Parameter

Code ExamplesCode Examples

Response HandlingResponse Handling

Returned DataReturned Data

Error HandlingError Handling

Possible Error CodesPossible Error Codes

Statuses and System Error CodesStatuses and System Error Codes

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