public function relations()
{
return array('workflow' => array(self::BELONGS_TO, 'OEModule\\OphCiExamination\\models\\OphCiExamination_Workflow', 'workflow_id'), 'items' => array(self::HAS_MANY, 'OEModule\\OphCiExamination\\models\\OphCiExamination_ElementSetItem', 'set_id', 'with' => 'element_type', 'order' => 'element_type.name'));
}