http://www.yorkietalk.com/forums/showthread.php?t=6466
Every time we went out I hit the bell with Gizmos paw and said go potty. The next day he jumped up and hit the bell all by himself. Sometimes he hits it just to go out to play with the cat thats on the porch, I always make him go to his potty yard first, then he can play.
Phyllis