public function relations()
{
return array('attribute_elements_id' => array(self::HAS_MANY, 'OEModule\\OphCiExamination\\models\\OphCiExamination_AttributeElement', 'attribute_id'), 'attribute_elements' => array(self::MANY_MANY, 'ElementType', 'ophciexamination_attribute_element(attribute_id,element_type_id)'));
}