code: def sflow_polling_interval(self, **kwargs):
          
          config = ET.Element("config")
          sflow = ET.SubElement(config, "sflow", xmlns="urn:brocade.com:mgmt:brocade-sflow")
          polling_interval = ET.SubElement(sflow, "polling-interval")
          polling_interval.text = kwargs.pop('polling_interval')
  
          callback = kwargs.pop('callback', self._callback)
          return callback(config)
docs: Auto Generated Code