Task::addAction

public function addAction(array $fields, array $params = []): ?array
{
	$fields = $this->filterFields($fields);
	$fields = $this->formatDateFieldsForInput($fields);
	$fields = $this->processFiles(0, $fields);
	$fields = $this->processCrmElements($fields);
	$fields = $this->processScenario($fields, $params);

	try
	{
		$task = CTaskItem::add($fields, $this->getCurrentUser()->getId(), $params);
	}
	catch (Exception $exception)
	{
		if ($errors = unserialize($exception->getMessage(), ['allowed_classes' => false]))
		{
			$error = $errors[0];
			$this->addError(new Error($error['text'], $error['id']));
		}
		else
		{
			$this->addError(new Error($exception->getMessage()));
		}

		return null;
	}

	if (isset($params['PLATFORM']) && $params['PLATFORM'] === 'mobile')
	{
		AnalyticLogger::logToFile('addTask');
	}

	return $this->getAction($task);
}