Получение значений множественного свойства d7

$this->items=\Bitrix\Iblock\ElementTable::query()
            ->setOrder([
                "SORT" => "ASC"
            ])
            ->setFilter(
                $this->filter
            )
            ->setSelect(
                $this->select
            )
            ->registerRuntimeField("PROPERTY", array(
                "data_type" => \D\DBLayer\OrmTableInstance::getEntity("b_iblock_element_prop_s" . $this->iblockID),
                'reference' => array('=ref.IBLOCK_ELEMENT_ID' => 'this.ID'),
                'join_type' => "INNER"
            ))
            ->registerRuntimeField("PROPERTY_M", array(
                "data_type" => \D\DBLayer\OrmTableInstance::getEntity("b_iblock_element_prop_m" . $this->iblockID),
                'reference' => array('=ref.IBLOCK_ELEMENT_ID' => 'this.ID'),
                'join_type' => "INNER"
            ))
            ->exec();