code: def post(method, hmc, uri, uri_parms, body, logon_required,
               wait_for_completion):
          
          assert wait_for_completion is True  # async not supported yet
          # The URI is a POST operation, so we need to construct the SG URI
          storage_group_oid = uri_parms[0]
          storage_group_uri = '/api/storage-groups/' + storage_group_oid
          try:
              hmc.lookup_by_uri(storage_group_uri)
          except KeyError:
              raise InvalidResourceError(method, uri)
  
          # Reflect the result of requesting fulfilment for the storage group
          pass
docs: Operation: Request Storage Group Fulfillment.