unity check if function is executed in one frame

 1   public virtual void OnLoadedUI(bool close3dTouch, object args)
 2     {
 3         Debug.LogError("OnLoadedUI===" + frame);
 4     }
 5     public virtual void OnOpenUI(object args)
 6     {
 7         Debug.LogError("OnOpenUI===" + frame);
 8     }
 9 
10     long frame = 0;
11     private  void Update() {
 12          frame++ ;
 13      } 
//See if the printed frames are the same