var requestItems = function(steamOfferObj, steamID, itemIDs){
  var objectArray = [];
  steamOfferObj.loadPartnerInventory({
          partnerSteamId: steamID,
          appId: 730,
          contextId: 2
        }, function(errr, items){

          for(var index in itemIDs){
            objectArray.push({
              "appid": 730,
              "contextid" : 2,
              "amount" : 1,
              "assetid" : itemID[index]
            });
          }
          console.log(objectArray);

          steamOffers.makeOffer({
            partnerSteamId : steamID,
            itemsFromMe: '{}',
            itemsFromThem: objectArray
          }, function(err, tradeOfferID) {
            console.log(err);
            console.log(tradeOfferID);
          })

        })
}