var itemSearchObj = search.create({
        type: search.Type.ITEM,
        filters: [filterArray],
        columns: [
          "itemid",
          "feedname"
        ]
      });

      var itemObj = {};
      itemSearchObj.run().each(function(result) {
        itemObj[result.getValue('feedname')] = result.id;
        return true;
      });