case EventUpdateTask:
        if v.OldTask != nil {
            return &WatchMessage_Event{Action: WatchActionKindUpdate, Object: &Object{Object: &Object_Task{Task: v.Task}}, OldObject: &Object{Object: &Object_Task{Task: v.OldTask}}}
        } else {
            return &WatchMessage_Event{Action: WatchActionKindUpdate, Object: &Object{Object: &Object_Task{Task: v.Task}}}