code: def _assemble_and_send_request(self):
          
  
          # Fire off the query.
          return self.client.service.createPickup(
              WebAuthenticationDetail=self.WebAuthenticationDetail,
              ClientDetail=self.ClientDetail,
              TransactionDetail=self.TransactionDetail,
              Version=self.VersionId,
              OriginDetail=self.OriginDetail,
              PickupServiceCategory=self.PickupServiceCategory,
              PackageCount=self.PackageCount,
              TotalWeight=self.TotalWeight,
              CarrierCode=self.CarrierCode,
              OversizePackageCount=self.OversizePackageCount,
              Remarks=self.Remarks,
              CommodityDescription=self.CommodityDescription,
              CountryRelationship=self.CountryRelationship
          )
docs: Fires off the Fedex request.
  
          @warning: NEVER CALL THIS METHOD DIRECTLY. CALL send_request(),
              WHICH RESIDES ON FedexBaseService AND IS INHERITED.