
Toggle Value Via Keyboard
We can use a CountCHOP and set it's Limit to Loop Min/Max with LimitMaximum to one. 
Then every time we hit a key the value toggles between 0 and 1.

We can use a CountCHOP and set it's Limit to Loop Min/Max with LimitMaximum to one. 
Then every time we hit a key the value toggles between 0 and 1.