code: def snmp_server_user_username(self, **kwargs):
          
          config = ET.Element("config")
          snmp_server = ET.SubElement(config, "snmp-server", xmlns="urn:brocade.com:mgmt:brocade-snmp")
          user = ET.SubElement(snmp_server, "user")
          username = ET.SubElement(user, "username")
          username.text = kwargs.pop('username')
  
          callback = kwargs.pop('callback', self._callback)
          return callback(config)
docs: Auto Generated Code