code: def _assemble_and_send_request(self):
          
  
          # Fire off the query.
          return self.client.service.getPickupAvailability(
              WebAuthenticationDetail=self.WebAuthenticationDetail,
              ClientDetail=self.ClientDetail,
              TransactionDetail=self.TransactionDetail,
              Version=self.VersionId,
              PickupType=self.PickupType,
              AccountNumber=self.AccountNumber,
              PickupAddress=self.PickupAddress,
              PickupRequestType=self.PickupRequestType,
              DispatchDate=self.DispatchDate,
              NumberOfBusinessDays=self.NumberOfBusinessDays,
              PackageReadyTime=self.PackageReadyTime,
              CustomerCloseTime=self.CustomerCloseTime,
              Carriers=self.Carriers,
              ShipmentAttributes=self.ShipmentAttributes,
              PackageDetails=self.PackageDetails
          )
docs: Fires off the Fedex request.
  
          @warning: NEVER CALL THIS METHOD DIRECTLY. CALL send_request(),
              WHICH RESIDES ON FedexBaseService AND IS INHERITED.