How do the aberration chromatic effect react in correspondence with Sound Keys?

Hello, today I have a question about a plugin from adobe aftereffects. I'm a bit "experienced" Editor, even if for some reason, I can't find a workaround for this problem. I am trying to implement the function of "Chromatic Aberration" plugin "Magic Bullet Looks" and to react to audio using the sound keys. For more understanding for what is my problem, please look at my work: https://www.instagram.com/TrapPlanet that should help you to understand what I am trying to accomplish and to paint a more vivid picture of what I want to do. So here's my question - after typing in my settings for the chromatic aberration function, I went and ALT clicked on the "looks" tab to open the expression. Since I sound keys in the same composition, I typed the code below:

thisComp.layer("Sound_Keys").effect ("sound keys") ("power of 3")

Little to my knowledge, this gave me an error instead of actually do occur in correspondence with my layer of sound-keys. Here's a screenshot of the error I received:

https://gyazo.com/64b7130f6dd7480b7cc424cc53d60202

All I'm doing is making a "twitch" effect to occur (chromatic aberration), when low music hit. This expression usually works with other layers, (as shown with the link to my page music above) so I do not know why it does not work with this one. Please help below, thank you!

If you want to add an aimated looks LIKE or curves same property for a composition add an adjustment layer, then add looks for the adjustment layer, then use the sound keys for opacity in car of the adjustment layer. The other option is to animate the air force:

Simply apply your expression to a property with a numeric value.

Tags: After Effects

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