Как в шаблоне отобразить свойство SKU???

 print_r($arResult["OFFERS"]["0"]["PROPERTIES"]["art"]["~VALUE"]); 

<td style="width: 180px;">
               <?=GetMessage("B1T_SHOP_PRICE")?>:
                  <div class="prices product_price" itemprop="offers" itemscope itemtype = "http://schema.org/Offer">
                    <? if(is_array($arResult["OFFERS"]) && !empty($arResult["OFFERS"])) { ?>
                        <? if (count($arResult["OFFERS"]) > 1) { ?>
                            <span itemprop = "price" class="item_price price">
                                <? if(!$arResult["ONE_OFFER_PRICE"]) {?>
                                    <?= GetMessage("B1T_SHOP_PRICE_FROM")?> 
                                <? } ?>    
                                <?=$arResult["PRINT_MIN_OFFER_PRICE"];?>
                            </span>
                            <span class="old_price"></span>
                        <? } else {
                            foreach($arResult["OFFERS"] as $arOffer) {
                                foreach($arOffer["PRICES"] as $code=>$arPrice) {
                                    if($arPrice["CAN_ACCESS"]) {
                                        if($arPrice["DISCOUNT_VALUE"] < $arPrice["VALUE"]) { ?>
                                            <span itemprop = "price" class="item_price price"><?=$arPrice["PRINT_DISCOUNT_VALUE"]?></span>
                                            <span class="old_price"><?=$arPrice["PRINT_VALUE"]?></span>
                                      <?} else {?>
                                            <span itemprop = "price" class="item_price price"><?=$arPrice["PRINT_VALUE"]?></span>
                                      <?}?>
                                   <?}?>
                                <?}?>
                             <?}?>
                          <?}?>
                    <? } else {?>
                        <? if(count($arResult["PRICES"])>0) {
                                foreach($arResult["PRICES"] as $code=>$arPrice) {
                                    if($arPrice["CAN_ACCESS"]) { ?>
                                        <? if($arPrice["DISCOUNT_VALUE"] < $arPrice["VALUE"]) {?>
                                                <?=$arPrice["PRINT_DISCOUNT_VALUE"]?>
                                                <span itemprop = "price" class="old_price"><?=$arPrice["PRINT_VALUE"]?></span>
                                        <? } else {?>
                                                <span itemprop = "price"><?=$arPrice["PRINT_VALUE"]?></span>
                                        <? } ?>
                                 <? }
                                } ?>
                        <? } ?>   
                    <? } ?>                        
               </div>
            </td>