code: def send_direct_operate_command_set(self, command_set, callback=asiodnp3.PrintingCommandCallback.Get(),
                                          config=opendnp3.TaskConfig().Default()):
          
          self.master.DirectOperate(command_set, callback, config)
docs: Direct operate a set of commands
  
          :param command_set: set of command headers
          :param callback: callback that will be invoked upon completion or failure
          :param config: optional configuration that controls normal callbacks and allows the user to be specified for SA