code: def preprovision_rbridge_id_wwn(self, **kwargs):
          
          config = ET.Element("config")
          preprovision = ET.SubElement(config, "preprovision", xmlns="urn:brocade.com:mgmt:brocade-preprovision")
          rbridge_id = ET.SubElement(preprovision, "rbridge-id")
          rbridge_id_key = ET.SubElement(rbridge_id, "rbridge-id")
          rbridge_id_key.text = kwargs.pop('rbridge_id')
          wwn = ET.SubElement(rbridge_id, "wwn")
          wwn.text = kwargs.pop('wwn')
  
          callback = kwargs.pop('callback', self._callback)
          return callback(config)
docs: Auto Generated Code