Appdaemon 4 background automation

Configuration
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1

Hi all, is there any functionality or automation to change the background of appdaemon4 when a boolean is true or false?

Thanks

2

What does this even mean?

Are you referring to your UI background?
The appdeamon dev page background?
The hassio add on background?
The background for individual DashBoards?

3

I wanted to look for ways to create a photo or walpaper slide (fullscreen) that would change image by pressing a switch or using an event. I had seen appdaemon but I don’t know if it can be ok, or even magic mirror but I don’t know if it is ok. What do you think?

Thanks