Collision

I am creating a game where the ball can bounce off of objects. I understand the basics of hitTest, but obviously not enough to get the ball to recognize a wall and react to it. Can anyone help me? I am wanting the ball to bounce off of the walls. Either I am not seeing something, or just haven’t found it yet. Your help would be much appreciated.

I’ve created a fla
I hope I helped

Thank you very much for you help. You help another question I had, without even knowing it. Ty:asian: