Filter on background - how?

[Erossehh]

Hiiiii!

How do I set a filter on the background and can I also do it on an overlay?!

Thanks!

[bakedpotato]

Help me do this pls pls pls

The ones listed before me there is that way but another way for future reference in case you want something specific you can do this in the previewer [Screenshot_20201227-215506_Episode~2] [Screenshot_20201227-215456_Episode] I used this to change the lighting so it would flash like an alley with a dodgy light. Just like spot directing and overlay you just copy the code from the box below the previewer

And no