The contents of the field Change to: shows “Componen…”, but in the layer list of this example the components and instances are labeled differently (menu, menu-item, button). This is confusing.
In that same screenshot, you have both actions hooked up to “Change to”, but when I try to do the same, this option is not available:
The explanation mentions “to the button that changes to the open menu”. I interpret this as the lower button in the frame, i.e. the one that will demonstrate the interactivity.
Instead, the explanation should make it clear that this is about adding interactivity between the variants in the purple group. In hindsight this is obvious, but one must assume the user reads this without experience.
I believe that the examples here could be improved though, as both standard buttons are presented in the same way. I’m thinking of e.g. giving the area where you need to work on a different background color than the presentation area, or repeating the step number (2) near the variants, …