value * effect("Control Name")("Checkbox"); // replace Checkbox Control with your checkbox control
β
thisComp.layer("Controls").effect("Control Name")("Checkbox") * value;
Inherit Opacity from parent layer
How to use the Composition Width & Height expression to center and scale a layer
Maintain scale of a layer when parented to another layer - even if that layer has a parent. Apply to scale property of child layer.
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