two events react to eachother

[hrohibil]

If ypu use Physx, they will react automatically. Just make sure  you have PhysX shape in both event.
As for further fracturing, when balls hit the wall, it's a little bit more tricky, bu this tutorial is great:
https://www.youtube.com/watch?v=U6pMAa2vckw

Thanks. 

I will look into it for sure.

Thanks