def rule_command_cmdlist_interface_u_interface_fe_leaf_interface_fortygigabitethernet_leaf(self, **kwargs):
        """Auto Generated Code
        """
        config = ET.Element("config")
        rule = ET.SubElement(config, "rule", xmlns="urn:brocade.com:mgmt:brocade-aaa")
        index_key = ET.SubElement(rule, "index")
        index_key.text = kwargs.pop('index')
        command = ET.SubElement(rule, "command")
        cmdlist = ET.SubElement(command, "cmdlist")
        interface_u = ET.SubElement(cmdlist, "interface-u")
        interface_fe_leaf = ET.SubElement(interface_u, "interface-fe-leaf")
        interface = ET.SubElement(interface_fe_leaf, "interface")
        fortygigabitethernet_leaf = ET.SubElement(interface, "fortygigabitethernet-leaf")
        fortygigabitethernet_leaf.text = kwargs.pop('fortygigabitethernet_leaf')

        callback = kwargs.pop('callback', self._callback)
        return callback(config)