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Is there a way to keyframe the “Invert Mask” checkbox?
I want to instantly reveal a layer whose full-screen mask was previously moved off screen as part of another effect sequence. I could move the mask back to fill the screen, which would reveal the layer but since clicking the Invert Mask checkbox accomplishes the same thing — but has no keyframe control — I’m curious about whether there’s a trick to automating that checkbox using keyframing.