code: def _assemble_and_send_request(self):
          
  
          client = self.client
          # Fire off the query.
          return client.service.deleteShipment(
                  WebAuthenticationDetail=self.WebAuthenticationDetail,
                  ClientDetail=self.ClientDetail,
                  TransactionDetail=self.TransactionDetail,
                  Version=self.VersionId,
                  ShipTimestamp=datetime.datetime.now(),
                  TrackingId=self.TrackingId,
                  DeletionControl=self.DeletionControlType)
docs: Fires off the Fedex request.
          
          @warning: NEVER CALL THIS METHOD DIRECTLY. CALL send_request(), WHICH RESIDES
              ON FedexBaseService AND IS INHERITED.