Вопрос по фильтрам

		   $this->model->filterEqual('parent_id',0);
		   $this->model->filterEqual('parent_id',1);
		   $items = $this->model->get('con_type_cats');

$this->model->filterLt('parent_id',2);

 
$this->model->filterStart();
$this->model->filterEqual('parent_id',0);
$this->model->filterOr();
$this->model->filterEqual('parent_id',1);
$this->model->filterEnd();
$items = $this->model->get('con_type_cats');

'visible_depend' => array('options:first_id' => array('hide' => array('1')))
'visible_depend' => array('options:second_id' => array('hide' => array('1')))