Add Comment to Task task.comment.add

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: task

Who can execute the method: any user

DEPRECATED

The development of this method has been halted. Use tasks.task.chat.message.send.

This method adds comments to a task.

Method Parameters

Name

Description

TASKID

Task identifier

COMMENTTEXT

Comment

It is essential to maintain the order of parameters in the request. If this order is violated, the request will be executed with errors.

Code Examples

How to Use Examples in Documentation

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"TASKID":1,"FIELDS":{"POST_MESSAGE":"comment text"}}' \
        https://**put_your_bitrix24_address**/rest/**put_your_user_id_here**/**put_your_webhook_here**/task.comment.add
        
curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"TASKID":1,"FIELDS":{"POST_MESSAGE":"comment text"},"auth":"**put_access_token_here**"}' \
        https://**put_your_bitrix24_address**/rest/task.comment.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
        
        // TODO: verify API version
        // Shape of the payload returned in result (comment ID)
        type TaskCommentAddResult = number
        
        try {
          const response = await $b24.actions.v2.call.make<TaskCommentAddResult>({
            method: 'task.comment.add',
            params: {
              TASKID: 1,
              FIELDS: {
                POST_MESSAGE: 'comment text',
              },
            },
            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 comment 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 addTaskComment() {
            try {
              // Initialize the SDK inside a Bitrix24 frame
              const $b24 = await B24Js.initializeB24Frame()
        
              const response = await $b24.actions.v2.call.make({
                method: 'task.comment.add',
                params: {
                  TASKID: 1,
                  FIELDS: {
                    POST_MESSAGE: 'comment text',
                  },
                },
                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 comment ID:', result)
            } catch (error) {
              // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
              console.error(error)
            }
          }
        
          document.addEventListener('DOMContentLoaded', addTaskComment)
        </script>
        
try {
            $response = $b24Service
                ->core
                ->call(
                    'task.comment.add',
                    [
                        1,
                        'comment text',
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
            // Your logic for processing data
            processData($result);
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error adding task comment: ' . $e->getMessage();
        }
        
BX24.callMethod(
            'task.comment.add',
            [1, 'comment text'],
            function(result)
            {
                console.info(result.data());
                console.log(result);
            }
        );
        
require_once('crest.php');
        
        $result = CRest::call(
            'task.comment.add',
            [
                'TASKID' => 1,
                'FIELDS' => [
                    'POST_MESSAGE' => 'comment text'
                ]
            ]
        );
        
        echo '<PRE>';
        print_r($result);
        echo '</PRE>';