def netconf_config_change_changed_by_server_or_user_by_user_username(self, **kwargs):
        """Auto Generated Code
        """
        config = ET.Element("config")
        netconf_config_change = ET.SubElement(config, "netconf-config-change", xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-notifications")
        changed_by = ET.SubElement(netconf_config_change, "changed-by")
        server_or_user = ET.SubElement(changed_by, "server-or-user")
        by_user = ET.SubElement(server_or_user, "by-user")
        username = ET.SubElement(by_user, "username")
        username.text = kwargs.pop('username')

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