About Locked Layers.
I have a one-scene work. I have different layers on this single scene that are connected from the homepage. I prevented from finishing the scene without examining these layers. no problem here.
...
Forum Discussion
You can do it using a combination of Variables and States.
I make a custom state for my buttons to show that the learner looked at the layer. I call the customer state Complete.
I added all the variables, triggers, and layer properties in the example below.
