docs: def system_monitor_SFM_threshold_marginal_threshold(self, **kwargs):
          """Auto Generated Code
          """
          config = ET.Element("config")
          system_monitor = ET.SubElement(config, "system-monitor", xmlns="urn:brocade.com:mgmt:brocade-system-monitor")
          SFM = ET.SubElement(system_monitor, "SFM")
          threshold = ET.SubElement(SFM, "threshold")
          marginal_threshold = ET.SubElement(threshold, "marginal-threshold")
          marginal_threshold.text = kwargs.pop('marginal_threshold')
  
          callback = kwargs.pop('callback', self._callback)
          return callback(config)