docs: def set_ddns_config(self, isenable, hostname, ddnsserver,
                                          user, password, callback=None):
          '''
          Set DDNS config.
          '''
          params = {'isEnable': isenable,
                    'hostName': hostname,
                    'ddnsServer': ddnsserver,
                    'user': user,
                    'password': password,
                   }
          return self.execute_command('setDDNSConfig', params, callback=callback)