Вывод скидки из "Правила работы с корзиной"

// достаем список скидок, применяемых к корзине из "Правила работы с корзиной"
if (!function_exists("getDiscountCartList")) {
    function getDiscountCartList($arOrder, $USER_ID = null, $ORDER_PRICE = 0, $ORDER_WEIGHT = 0)
    {
        $discountList = array();
        $arIDS = array();

        $groupDiscountIterator = Bitrix\Sale\Internals\DiscountGroupTable::getList(array(
            'select' => array('DISCOUNT_ID'),
            'filter' => array('@GROUP_ID' => CUser::GetUserGroup($USER_ID), '=ACTIVE' => 'Y')
        ));
        while ($groupDiscount = $groupDiscountIterator->fetch()) {
            $groupDiscount['DISCOUNT_ID'] = (int)$groupDiscount['DISCOUNT_ID'];
            if ($groupDiscount['DISCOUNT_ID'] > 0)
                $arIDS[$groupDiscount['DISCOUNT_ID']] = true;
        }

        if ($arIDS) {
            $discountIterator = Bitrix\Sale\Internals\DiscountTable::getList(array(
                'select' => array(
                    "ID", "NAME", "PRIORITY", "SORT", "LAST_DISCOUNT", "UNPACK", "APPLICATION", "USE_COUPONS"
                ),
                'filter' => array(
                    '@ID' => $arIDS
                ),
                'order' => array(
                    "PRIORITY" => "DESC",
                    "SORT" => "ASC",
                    "ID" => "ASC"
                )
            ));
            foreach ($arOrder as &$order) {
                $order['PRICE'] = $order['FULL_PRICE'];
            }
            $arOrderAll = array(
                'SITE_ID' => SITE_ID,
                'USER_ID' => $USER_ID,
                'ORDER_PRICE' => $ORDER_PRICE,
                'ORDER_WEIGHT' => $ORDER_WEIGHT,
                'BASKET_ITEMS' => $arOrder
            );
            while ($discount = $discountIterator->fetch()) {
                $checkOrder = null;
                $strUnpack = $discount['UNPACK'];
                if (empty($strUnpack))
                    continue;
                eval('$checkOrder=' . $strUnpack . ';');
                if (!is_callable($checkOrder))
                    continue;
                $boolRes = $checkOrder($arOrderAll);
                unset($checkOrder);

                if ($boolRes) {
                    $discountList[] = $discount;
                }
            }
        }
        return $discountList;
    }
}

$USER_ID = $GLOBALS["USER"]->GetID();
$discountListCart = getDiscountCartList($arResult["ITEMS"]["AnDelCanBuy"], $USER_ID,
        $arResult['allSum'] + $arResult['DISCOUNT_PRICE_ALL'], $arResult['allWeight']);