Thanks for the quick replies! I guess wait isn't actually what I need. Here is the state machine so far:
The problem is this:
I am trying to get State 6 (sliding) to lock in until velocity = 0, (hence the "start ignoring Platform user input" action.
All of this works and the slide completes as desired before restoring player control, but if I release the Down arrow during the slide it returns to State 1 (Running), even as it slides to a stop. I am hoping to lock the state machine into state 6 (sliding) until it reaches zero velocity.