Update Task Result tasks.task.result.update

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

Scope: tasks

Who can execute the method: author of the result

The method tasks.task.result.update updates the text of the task result.

Method Parameters

Required parameters are marked with *

Name `type`	Description
id* `integer`	Identifier of the result
fields* `object`	Object with result fields

Parameter fields

Name `type`	Description
text* `string`	New text of the result

Code Examples

How to Use Examples in Documentation

The new API call differs by adding the /api/ parameter in the request:

https://{installation_address}/rest/api/{user_id}/{webhook_token}/tasks.task.result.update

cURL (Webhook)

cURL (OAuth)

PHP

BX24.js

PHP CRest

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"id":17,"fields":{"text":"Task has been completed and verified"}}' \
        https://**put_your_bitrix24_address**/rest/api/**put_your_user_id_here**/**put_your_webhook_here**/tasks.task.result.update

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"id":17,"fields":{"text":"Task has been completed and verified"},"auth":"**put_access_token_here**"}' \
        https://**put_your_bitrix24_address**/rest/api/tasks.task.result.update

The SDK does not currently support calls to the /rest/api/ address. Use direct HTTP requests, for example, via curl or fetch.

try
        {
            const response = await $b24.callMethod(
                'tasks.task.result.update',
                {
                    id: 17,
                    fields: {
                        text: 'Task has been completed and verified'
                    }
                }
            );
        
            const result = response.getData().result;
            console.info(result.item);
        }
        catch( error )
        {
            console.error(error);
        }

The SDK does not currently support calls to the /rest/api/ address. Use direct HTTP requests, for example, via curl or fetch.

try {
            $response = $b24Service
                ->core
                ->call(
                    'tasks.task.result.update',
                    [
                        'id' => 17,
                        'fields' => [
                            'text' => 'Task has been completed and verified',
                        ],
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
        } catch (Throwable $e) {
            error_log($e->getMessage());
        }

The SDK does not currently support calls to the /rest/api/ address. Use direct HTTP requests, for example, via curl or fetch.

BX24.callMethod(
            'tasks.task.result.update',
            {
                id: 17,
                fields: {
                    text: 'Task has been completed and verified'
                }
            },
            function(result){
                console.info(result.data());
            }
        );

The SDK does not currently support calls to the /rest/api/ address. Use direct HTTP requests, for example, via curl or fetch.

require_once('crest.php');
        
        $result = CRest::call(
            'tasks.task.result.update',
            [
                'id' => 17,
                'fields' => [
                    'text' => 'Task has been completed and verified',
                ],
            ]
        );
        
        echo '<PRE>';
        print_r($result);
        echo '</PRE>';

Response Handling

HTTP Status: 200

{
            "result": {
                "item": {
                    "id": 17,
                    "taskId": 51,
                    "text": "Task has been completed and verified",
                    "authorId": 1,
                    "createdAt": "2026-04-30T10:15:00+02:00",
                    "updatedAt": "2026-04-30T10:20:00+02:00",
                    "status": "open",
                    "fileIds": [],
                    "rights": {
                        "edit": true,
                        "remove": true
                    },
                    "messageId": null
                }
            },
            "time": {
                "start": 1777530000,
                "finish": 1777530000.123456,
                "duration": 0.123456,
                "processing": 0.1,
                "date_start": "2026-04-30T10:20:00+02:00",
                "date_finish": "2026-04-30T10:20:00+02:00",
                "operating_reset_at": 1777530600,
                "operating": 0
            }
        }

Returned Data

Name `type`	Description
result `object`	Object with response data
item `object`	Object of the task result. The fields of the object match the response of the method tasks.task.result.add
time `time`	Information about the request execution time

Error Handling

HTTP Status: 400

{
            "error": {
                "code": "BITRIX_REST_V3_EXCEPTION_VALIDATION_REQUESTVALIDATIONEXCEPTION",
                "message": "Error validating the request object",
                "validation": [
                    {
                        "field": "fields",
                        "message": "Required field `fields` is missing"
                    }
                ]
            }
        }

Name `type`	Description
error.code `string`	String error code. Use it to identify the type of exception
error.message `string`	Text description of the error
error.validation `array`	Array with error details. Present only in data validation errors `BITRIX_REST_V3_EXCEPTION_VALIDATION_REQUESTVALIDATIONEXCEPTION`
error.validation[].field `string`	Name of the field where the validation error occurred
error.validation[].message `string`	Description of the error related to the specified field

Possible Error Codes

Request Validation Errors

Error Code: BITRIX_REST_V3_EXCEPTION_VALIDATION_REQUESTVALIDATIONEXCEPTION

Field	Error Description	How to Fix
`id` `filter`	At least one required field is not filled: `id`, `filter`	Provide the result identifier in the `id` parameter
`id` `filter`	Only one of the values must be provided: `id`, `filter`	Provide only one parameter: `id` or `filter`
`fields`	Required field `fields` is missing	Provide a `fields` object with the `text` field

Error Code: BITRIX_REST_V3_EXCEPTION_VALIDATION_DTOVALIDATIONEXCEPTION

Field	Error Description	How to Fix
`text`	Required field `text` is missing	Provide the new result text in `fields.text`
`fileIds`	Field `fileIds` is not available for filling	Do not provide `fileIds` in the `fields` parameter

Error Code: BITRIX_REST_V3_EXCEPTION_UNKNOWNDTOPROPERTYEXCEPTION

Field	Error Description	How to Fix
`fields`	Unknown field for entity `ResultDto`	Only provide the `text` field in `fields`

Access Error

Error Code: BITRIX_REST_V3_EXCEPTION_ACCESSDENIEDEXCEPTION

HTTP Status: 403

Field	Error Description	How to Fix
`id`	Access denied	Check the user's permissions to modify the result

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

Add Result from Chat Message

Get List of Results

Update Task Result tasks.task.result.update

Method ParametersMethod Parameters

Parameter fieldsParameter fields

Code ExamplesCode Examples

Response HandlingResponse Handling

Returned DataReturned Data

Error HandlingError Handling

Possible Error CodesPossible Error Codes

Request Validation ErrorsRequest Validation Errors

Access ErrorAccess Error

Statuses and System Error CodesStatuses and System Error Codes

Continue LearningContinue Learning

Method Parameters

Parameter fields

Code Examples

Response Handling

Returned Data

Error Handling

Possible Error Codes

Request Validation Errors

Access Error

Statuses and System Error Codes

Continue Learning