- Your entity must have an ON / OFF state. Normally buttons can have no state or a quick ON / OFF. You will have to try and make the button toggle a toggle helper. You could try this blueprint and see if it works then use the toggle helper in the bypass.
Press Button - Turn ON & OFF Entities - This is the perfect use case for a scene. Create a scene with your ceiling and mirror lights and adjust the brightness on each entity to your liking. You will then need to create a toggle helper and another scene with everything OFF. Look in the Lights section on were to put everything so it works well.
- Have a read of the FAQ on bypasses. It explains everything, click here
Blacky 