code: def userItem(self):
          
          if self.ownerFolder is not None:
              url = "%s/users/%s/%s/items/%s" % (self.root.split('/items/')[0], self.owner,self.ownerFolder, self.id)
          else:
              url = "%s/users/%s/items/%s" % (self.root.split('/items/')[0], self.owner, self.id)
          return UserItem(url=url,
                          securityHandler=self._securityHandler,
                          proxy_url=self._proxy_url,
                          proxy_port=self._proxy_port)
docs: returns a reference to the UserItem class