Depends what you mean by Potty Training.
When (IF!) I see the squiggly lines warning you that it wants to go, then I choose the toilet icon and get it onto the pot. Apparently, if you do that then it fills one happy heart. Otherwise, if I missed it, I just flush it off the screen.
I have noticed that my V1 ConneXions both give me squiggly warning lines even when they are babies, but my V1 ConnecTion never does when it's a baby - it always goes on the floor....
Best, etc.
TamaMum