code: def set_file_type(self, payload):
          
          file_path = payload.pop('file_path')
          hs_file_type = payload.pop('hs_file_type')
  
          url = "{url_base}/resource/{pid}/functions/set-file-type/{file_path}/{file_type}/".format(
              url_base=self.hs.url_base,
              pid=self.pid,
              file_path=file_path,
              file_type=hs_file_type)
          r = self.hs._request('POST', url, None, payload)
          return r
docs: Sets a file to a specific HydroShare file type (e.g. NetCDF, GeoRaster, GeoFeature etc)
  
          :param payload:
              file_path: string (relative path of the file to be set to a specific file type)
              hs_file_type: string (one of the supported files types: SingleFile, NetCDF, GeoRaster,
              RefTimeseries, TimeSeries and GeoFeature)
          :return: (object)
              message: string