order props

$db_sales = CSaleOrder::GetList(array("DATE_INSERT" => "ASC"), $arFilter, false, ["nTopCount" => 1], ["ID", "STATUS_ID"]);
    if($sale = $db_sales->Fetch())
    {
        $lastOrderId = $sale["ID"];
        $arProps = array();
        $orderProps = CSaleOrderPropsValue::GetList(
            [],
            array(
                "ORDER_ID" => $lastOrderId,
                "CODE" => ["DELIVERY_SHOP_ID"]
            ),
            false,
            false,
            array()
        );
        while ($arRes = $orderProps->GetNext())
        {
           $arProps[$arRes["CODE"]] = $arRes;
        }
    }