code: def nas_server_ip_vlan_vlan_number(self, **kwargs):
          
          config = ET.Element("config")
          nas = ET.SubElement(config, "nas", xmlns="urn:brocade.com:mgmt:brocade-qos")
          server_ip = ET.SubElement(nas, "server-ip")
          server_ip_key = ET.SubElement(server_ip, "server-ip")
          server_ip_key.text = kwargs.pop('server_ip')
          vlan = ET.SubElement(server_ip, "vlan")
          vlan_number = ET.SubElement(vlan, "vlan-number")
          vlan_number.text = kwargs.pop('vlan_number')
  
          callback = kwargs.pop('callback', self._callback)
          return callback(config)
docs: Auto Generated Code