public function relations()
{
return array('steps' => array(self::HAS_MANY, 'OEModule\\OphCiExamination\\models\\OphCiExamination_ElementSet', 'workflow_id', 'order' => 'position'), 'first_step' => array(self::HAS_ONE, 'OEModule\\OphCiExamination\\models\\OphCiExamination_ElementSet', 'workflow_id', 'order' => 'first_step.position, first_step.id'));
}