How can I create a slider that changes the opacity of a Post Effect?
I'm currently working on a lens and I want to create a slider to change the opacity of a Post Effects and I created the layout but now I'm stuck. How can I create a slider to change the Post Effects opacity. Something like this lens:
https://www.snapchat.com/unlock/?type=SNAPCODE&uuid=25a635cff2c14526817249be46d973ab&metadata=01
Did you got any solution for this?