Inherit Parent Opacity (editable)
The parent's opacity value acts as a mulitplier for the child's
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Control Property with Checkbox
Apply this expression to the property you want to control (like opacity) and make sure it is referencing the correct control layer.
Delay Keyframes With Slider ValueAtTime()
Use a slider control to delay keyframe animation by a defined amount of seconds. Works like a marker trigger, but simpler. Useful for MOGRTs
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