thank you Dan, works perfectly!

Thank you for the quick reply, Dan! It is more a sequence, multiple comps in one sequence, but I assumed that the layer order must be ascending and not descending. I'm not sure if this is really necessary. I've tried to add sliders to the expression for more flexibility: firstLayer = effect("Fi...

Hey there, I'm working on a school project with a classmate director. I'm doing the visual effects and he is giving feedback. To avoid confusion, I gave every single shot a separate comp. I've used the expression from The Adobe After Effects site. source_footage_name = ""; for (i = 1; i <=...