PropertyRelation::deleteByFilterAction

public function deleteByFilterAction($fields)
{
	$r = $this->checkFields($fields);

	if($r->isSuccess())
	{
		$r = $this->existsByFilter($fields);
		if($r->isSuccess())
		{
			$r = $this->getEntityTable()
				->delete($fields);
		}
	}

	if($r->isSuccess())
	{
		return true;
	}
	else
	{
		$this->addErrors($r->getErrors());
		return null;
	}
}