Global event,global variables not working

How do I...?
1

I reall not understand what is the problem.

I make a hud and if “h” pressed change the opacity.But in the debugger not changing.Even i change it manually but the “Hud global objects” not show opacity change.

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I just place these Hud elements in a global group.

Thank you if somebody helping.

2

Try removing trigger once

If that don’t help
Try putting 2nd and 3rd event under repeat for each object

3

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Okay i switch these to scene events.I need to move through this.With your solutions not change that as global event.But it’s okay i copy paste all the scenes so this part also coming with forward.