Forced navigation on a single slide

The slide I am trying to create has a flow chart. On the flow chart, a few of the boxes (steps) have been created as buttons. When the user clicks the button, I want it to change to a ‘visited’ state and play an audio clip. I have accomplished this but I want my Next button to appear once all of the steps have been clicked and listened to. I can get the slide to work as expected except for […]