help to get new items in walmart

when we use this request to get the items from walmart, we can't sort the items in return response as "NEW" as in WALMART site. BUT, when we sort the items in return response as "bestseller" it works fine as in WALMART site. [login to view URL]:[5%20TO%2015]&facet.filter=retailer:Walmart.com&sort=new query=lbs categoryId=976760 price:[5 TO 15] retailer:[login to view URL] sort=new