Adding effects to a Comp or Precomp

Forum|Forum|2 years ago
March 31, 2024
1 reply
486 views

Hi everyone. I'm hitting a bit of a wall when trying to add a simple Checkbox contgrol to a comp the same way I would to a regular Null.

var myComp = app.project.activeItem;
var myNull = myComp.layers.addNull();

myNull.name = "Controller";
var nullOnOffControl = myNull.effect.addProperty("ADBE Checkbox Control");
var compOnOffControl = myComp.effect.addProperty("ADBE Checkbox Control");

Thanks!

This topic has been closed for replies.

Dan Ebberts

Community Expert

I don't understand exactly what you're trying to do, but comps don't have effects, so you can't add a checkbox to one. You could add an effect to a comp as a layer in another comp, but it doens't appear that that's what you're trying to do.

Mr. TowersAuthor

Participant

Hey Dan, Thanks for your reply, please bare with me.

It seems like there is no way to add an effect to a Comp item the same way you add it to a Null or a Layer throught scripting (as I showed in my script). What I find odd is that in After Effects you CAN actually do this manually by creating a precomp within an comp and right click + add an effect to the pre-comp.

Maybe I'm not explaining myself right, but I'm trying to add effects to a comp within a comp and I'm still not able to do that. I'm not sure what I'm missing here.

Dan Ebberts

Community Expert

You'd have to address the precomp as a layer within the comp, like this:

var myComp = app.project.activeItem;
var myPrecomp = myComp.layer("myPrecomp");
var compOnOffControl = myPrecomp.effect.addProperty("ADBE Checkbox Control");

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