code: def updateReferenceURL(self, pid, name, ref_url, path=""):
          
          return self.updateReferencedFile(pid, path, name, ref_url)
docs: Update a Referenced Content File (.url)
  
                          :param pid: The HydroShare ID of the resource for which the file should be updated
                          :param name: Filename for the referenced file
                          :param ref_url: url to be updated in the referenced file
                          :param path: Optional, defaults to contents directory if not provided.  Folder path for the file to be updated in
                          :return: JsonResponse on success or HttpResponse with error status code on error
  
                          :raises: HydroShareNotAuthorized if user is not authorized to perform action.
                          :raises: HydroShareNotFound if the resource or resource file was not found.
                          :raises: HydroShareHTTPException if an unexpected HTTP response code is encountered.