I've searched for the answer to this here, but haven't had much luck.
I'm using Storyline 2. I have a slide with 4 markers - I'd like to hide the Next button initially, and then once all 4 markers have been read, change the state of the button to normal. My markers are set to "Show All on Hover". Based on what I've seen, I think that maybe I need to use variables, but I'm not 100% how to accomplish this. Any ideas?