How to set up your avatar for eye tracking:
Here is an avatar setup video created by a contributor:
Another good resource is the VRC Face Tracking Wiki and their Discord.
We currently use the following paramaters
LeftEyeX
RightEyeX
EyesY
LeftEyeLidExpandedSqueeze
RightEyeLidExpandedSqueeze
NOTE
We currently only support float parameters, please adjust your setup accordingly.