A: Variables are not part of Open eLMS AI functionality I'm afraid. It's used for gamification purposes but very much under the hood stuff.

A good explanation of functionality of the editor is available here https://www.youtube.com/watch?v=pZN9MhA8Dy0

This summation does skip the navigation button customisation, to do this click on the screen name on the right hand side menu (e.g. "Screen2") and then press the CUSTOM NAVIGATION OPTIONS on the left hand menu. Here you can edit standard navigation options.

I hope this helps.

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