TaskService::updateTask

public function updateTask(BitrixImV2EntityTaskTaskItem $taskEntity): Result
{
	$taskItem = TaskItem::getByEntity($taskEntity);
	if ($taskItem === null)
	{
		return new Result();
	}

	Push::getInstance()
		->setContext($this->context)
		->sendFull($taskItem, self::UPDATE_TASK_EVENT, ['RECIPIENT' => $taskEntity->getMembersIds()])
	;

	return new Result();
}