Enable Track Matte selection by Expressions

Forum|Forum|29 days ago
March 10, 2026
1 reply
26 views

I am building an automated system, where I need to connect a lot of layers each to their own Track Matte. I can think of an expression that takes the layer names and link all to a Track Matte with a related name.

Unfortunately Track Matte selection is not possible via Expressions.

Would be great to have!

R

Rick Gerard

Community Expert

Unfortunately, Layer names are not accessible by expressions, but they are accessible by the Source Text of a text layer. I have not played with that Idea in scripting, but I have written scripts that change background colors based on one or more characters in a text layer's name. There may be a path to solving your problem there.

J

Jaydude-wbAuthor

Inspiring

Hi Rick,

Layer names are ‘accessible’, since expressions can read those.

But I was not asking about layer names, I want to set the Track Matte layer by expressions.

And yes, when asking for a feature, in general, it does not exist yet ;-)

This is what I would like to set with Expressions:

R

Rick Gerard

Community Expert

I meant the layer names in the Track Matte settings in the timeline, not layer names in general. I would like both the track matte layer names available in expressions and the layer names in effects, such as Set Matte or other effects that let you access a layer's properties from a layer name list. You cannot Alt/Option-click any of them to write an expression or add them to an Essential Graphics list or MOGRT.

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