Meta’s documentation for quest pro facial shapes:

Face Tracking for Movement SDK for Unity: Unity | Oculus Developers

After adding the APS_SDK to your character in Unity, and the facecap linker, you can actually apply an already made profile, to avoid having to fill AALLLL these shapes by hand, which takes hours. Here is my profile for Quest pro to Reallusion shapekeys:

(you can add that file here: \Assets )

MetaFacecapLinker_HELLGAL_01.preset

Meta facial shapes:

Meta → ARKit

ARKit facial shapes:

Reallusion CC4 extended profile of 140 shapes, to META quest pro:

You can first Add the normal facecap linker, then guess links, then at the bottom add the Meta facecap link automatically with some matching shapes:

Vive facial/mouth tracker shapes are these (lipTracker linker component in the APS_SDK)