task.commentitem.update

curl -X POST \
-H "Content-Type: application/json" \
-H "Accept: application/json" \
-d '{"TASKID":8017,"ITEMID":3167,"FIELDS":{"POST_MESSAGE":"Комментарий обновлен","UF_FORUM_MESSAGE_DOC":["n4755"]},"auth":"**put_access_token_here**"}' \
https://**put_your_bitrix24_address**/rest/task.commentitem.update

// 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

// Shape of the payload returned in result (match the "response handling" section of the page)
type UpdateCommentResult = boolean

try {
  const response = await $b24.actions.v2.call.make<UpdateCommentResult>({
    method: 'task.commentitem.update',
    params: {
      TASKID: 8017,
      ITEMID: 3167,
      FIELDS: {
        POST_MESSAGE: 'Comment updated',
        UF_FORUM_MESSAGE_DOC: ['n4755'],
      },
    },
    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('Comment updated successfully:', 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 updateTaskComment() {
    try {
      // Initialize the SDK inside a Bitrix24 frame
      const $b24 = await B24Js.initializeB24Frame()

      const response = await $b24.actions.v2.call.make({
        method: 'task.commentitem.update',
        params: {
          TASKID: 8017,
          ITEMID: 3167,
          FIELDS: {
            POST_MESSAGE: 'Comment updated',
            UF_FORUM_MESSAGE_DOC: ['n4755'],
          },
        },
        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('Comment updated successfully:', result)
    } catch (error) {
      // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
      console.error(error)
    }
  }

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

try {
    $response = $b24Service
        ->core
        ->call(
            'task.commentitem.update',
            [
                'TASKID' => 8017,
                'ITEMID' => 3167,
                'FIELDS' => [
                    'POST_MESSAGE'         => 'Комментарий обновлен',
                    'UF_FORUM_MESSAGE_DOC' => ['n4755'],
                ],
            ]
        );

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

    echo 'Success: ' . print_r($result, true);
    // Нужная вам логика обработки данных
    processData($result);

} catch (Throwable $e) {
    error_log($e->getMessage());
    echo 'Error updating task comment: ' . $e->getMessage();
}

BX24.callMethod(
    'task.commentitem.update',
    {
        "TASKID": 8017,
        "ITEMID": 3167,
        "FIELDS": {
            "POST_MESSAGE": "Комментарий обновлен",
            "UF_FORUM_MESSAGE_DOC": ["n4755"]
        }
    },
    function(result){
        console.info(result.data());
        console.log(result);
    }
);

require_once('crest.php');

$result = CRest::call(
    'task.commentitem.update',
    [
        'TASKID' => 8017,
        'ITEMID' => 3167,
        'FIELDS' => [
            'POST_MESSAGE' => 'Комментарий обновлен',
            'UF_FORUM_MESSAGE_DOC' => ['n4755']
        ]
    ]
);

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

// client и ctx уже созданы — см. раздел «SDK для Go»
res, err := client.Core().Call(ctx, "task.commentitem.update", b24.Params{
	"TASKID": 8017,
	"ITEMID": 3167,
	"FIELDS": b24.Params{
		"POST_MESSAGE":         "Комментарий обновлен",
		"UF_FORUM_MESSAGE_DOC": []string{"n4755"},
	},
})
if err != nil {
	return fmt.Errorf("task.commentitem.update: %w", err)
}

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