Выгрузка в Яндекс-Маркет каталога с SKU

 if ($XML_DATA['PRICE'] > 0)
      {
         $minPrice = $arAcc["CATALOG_PRICE_".$XML_DATA['PRICE']];
         $minPriceGroup = $XML_DATA['PRICE'];
         $minPriceCurrency = $arAcc["CATALOG_CURRENCY_".$XML_DATA['PRICE']];
         $minPriceRUR = CCurrencyRates::ConvertCurrency($arAcc["CATALOG_PRICE_".$XML_DATA['PRICE']], $arAcc["CATALOG_CURRENCY_".$XML_DATA['PRICE']], $RUR);
      }
      else
      {
         if ($arPrice = CCatalogProduct::GetOptimalPrice(
            $arAcc['ID'], 
            1, 
            array(2), // anonymous
            'N',
            array(),
            $ar_iblock['LID']
         ))
         {
            $minPrice = $arPrice['DISCOUNT_PRICE'];
            $minPriceCurrency = $BASE_CURRENCY;
            $minPriceRUR = CCurrencyRates::ConvertCurrency($minPrice, $BASE_CURRENCY, $RUR);
            $minPriceGroup = $arPrice['PRICE']['CATALOG_GROUP_ID'];
         }

$SKU_IBLOCK_ID = 19;
$sku_items = GetIBlockElementListEx("1c_catalog",
                 $SKU_IBLOCK_ID,
                         array(),
                         array('CATALOG_PRICE_4' => 'ASC', '>CATALOG_QUANTITY' => 0),
                         1,
                         array("=PROPERTY_CML2_LINK_VALUE" => $arAcc["ID"]),
                         array("ID","CATALOG_GROUP_4_VALUE")
 X );


while($arItem = $sku_items->GetNext())
{
       $minPrice = $arItem['CATALOG_PRICE_4'] ;
}
 

$SKU_IBLOCK_ID - ИД инфоблока торгового предложения

1c_catalog - код типа инфоблока

CATALOG_PRICE_4 - цена с ИД 4
 

$sku_items = CIBlockElement::GetList( array('CATALOG_PRICE_4' => 'ASC'),
 X array("=PROPERTY_CML2_LINK" => $arAcc["ID"]),
                                            false,
                                            false,
                                            array("ID", "CATALOG_GROUP_4")
                                            );

       $i=0;
       while($arItem = $sku_items->GetNext())
        {
             if($i == 0) $minPrice = (integer)$arItem['CATALOG_PRICE_4'] ;
             $i++;
        }