code: def file_upload_notification(self, area_uuid, filename):
          
          url_safe_filename = urlparse.quote(filename)
          path = ("/area/{area_uuid}/{filename}".format(area_uuid=area_uuid, filename=url_safe_filename))
          response = self._make_request('post', path=path)
          return response.ok
docs: Notify Upload Service that a file has been placed in an Upload Area
  
          :param str area_uuid: A RFC4122-compliant ID for the upload area
          :param str filename: The name the file in the Upload Area
          :return: True
          :rtype: bool
          :raises UploadApiException: if file could not be stored