Checklist::deleteAction

public function deleteAction($taskId, CheckListItem $checkListItem)
{
	$deleteResult = TaskCheckListFacade::delete($taskId, CurrentUser::get()->getId(), $checkListItem);

	if ($deleteResult->isSuccess())
	{
		return true;
	}

	if ($deleteResult->getErrors())
	{
		$this->errorCollection[] = new Error($deleteResult->getErrors()->getMessages()[0]);
	}

	return null;
}