code: def post(method, hmc, uri, uri_parms, body, logon_required,
               wait_for_completion):
          
          assert wait_for_completion is True  # async not supported yet
          try:
              resource = hmc.lookup_by_uri(uri)
          except KeyError:
              raise InvalidResourceError(method, uri)
          resource.update(body)
docs: Operation: Update <resource> Properties.