Новые события каталога (программистам)

AddEventHandler("catalog", "OnGetOptimalPrice", "recalculateBasketPrice");

function recalculateBasketPrice($intProductID, $quantity, $arUserGroups, $renewal, $arPrices, $siteID, $arDiscountCoupons){

      
   $dbBasketItems = CSaleBasket::GetList(
      array(
         "NAME" => "ASC",
         "ID" => "ASC"
      ),
      array(
         "FUSER_ID" => CSaleBasket::GetBasketUserID(),
         "LID" => SITE_ID,
         "ORDER_ID" => "NULL",
         "DELAY" => "N",
         "CAN_BUY" => "Y"
      )
   );
   
   $arBasketItems = array();
   while ($arItems = $dbBasketItems->Fetch())
   {
      if (strlen($arItems["CALLBACK_FUNC"]) > 0)
      {
         CSaleBasket::UpdatePrice($arItems["ID"], $arItems["QUANTITY"]);
         $arItems = CSaleBasket::GetByID($arItems["ID"]);
      }
      
      $arBasketItems[] = $arItems;
   }
   // текущая сумма заказа         
   $summ = 0;
   foreach ($arBasketItems as $arBasketItem)
   {
      $summ += $arBasketItem["PRICE"] * $arBasketItem["QUANTITY"];
   }
   
   /**
    * 25 - Розница
    * 23 - Мелкий опт
    * 24 - Опт
    */
   $priceID = 25;
   if($summ > 100000)
   {
      $priceID = 23;
   }
   elseif($summ > 300000)
   {
      $priceID = 24;
   }
   
   $dbNewPrice = CPrice::GetListEx(array(), array(
         'PRODUCT_ID'=>$intProductID,
         'CATALOG_GROUP_ID' => $priceID
      ));
   if($newPrice = $dbNewPrice->Fetch()){
      return array(
         'PRICE' => $newPrice,
         'DISCOUNT_PRICE' => false,
         'DISCOUNT' => array(),
         'DISCOUNT_LIST' => array(),
      );
   }
   return false;
}
 

Array
(
    [PRICE] => Array
        (
            [ID] => 225791
            [PRODUCT_ID] => 87611
            [EXTRA_ID] => 
            [CATALOG_GROUP_ID] => 6
            [PRICE] => 23.20
            [CURRENCY] => RUB
            [TIMESTAMP_X] => 11.02.2015 12:21:38
            [QUANTITY_FROM] => 
            [QUANTITY_TO] => 
            [BASE] => Y
            [SORT] => 600
            [CATALOG_GROUP_NAME] => Розничная
            [CAN_ACCESS] => Y
            [CAN_BUY] => Y
            [ELEMENT_IBLOCK_ID] => 42
        )

    [DISCOUNT_PRICE] => Array
        (
        )

    [DISCOUNT] => Array
        (
        )

) 

Array
(
    [PRICE] => Array
      (
            [ID] => 9855
            [CATALOG_GROUP_ID] => 1
            [PRICE] => 80.9
            [CURRENCY] => USD
            [ELEMENT_IBLOCK_ID] => 44
        )

    [DISCOUNT] => Array
   (
    )

)

Array
(
    [PRICE] => Array
        (
            [ID] => 9855
            [CATALOG_GROUP_ID] => 2
            [PRICE] => 1494480
            [CURRENCY] => BYR
            [ELEMENT_IBLOCK_ID] => 44
        )

    [DISCOUNT] => Array
  (
   )

)