'order_tax_exemption', 'primary' => 'id_order_tax_exemption', 'fields' => array( 'id_htl_booking' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'), 'id_service_product_order_detail' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'), 'id_order' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true), 'id_employee' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true), 'note' => array('type' => self::TYPE_STRING, 'validate' => 'isMessage', 'allow_null' => true), 'date_add' => array('type' => self::TYPE_DATE, 'validate' => 'isDate'), ), ); }