>>360322105
have you tried reading the documentation?

>FX

FX is a special layer. On every other layer, you should not be using material animations, shader property animations, or blendshape animations, because they aren't copied to your mirror clone. Only transforms are.

However, in the FX layer, all of that is copied over! You put your visemes here, if you're using Viseme parameters. In other words, everything that isn't a transform/muscle animation should go into the FX layer. This includes (but is not limited to) things like enabling/disabling GameObjects, components, material swaps, shader animations, particle system animating, etc.

Animations in FX can be anything EXCEPT transform animations.

https://docs.vrchat.com/docs/playable-layers

It is retarded, but it is what it is, all you can do is to copy your animation onto Action or Gesture layer.