Outdated documentation has me stuck on making custom hand gestures in vr unity

Hey there all

I still somewhat new within the meta quest game dev so I been following some of the documenations from the Meta site to use their SDK within Unity, however I been stuck on the "Build a custom hand pose" tutorial where it uses a outdated OVRCameraRig where it still has LeftHand and HandFeaturesLeft within the OVRHands which is not with the v83 of the SDK. Any help of how to do this now would be very appreicated! 

This is the link I been using 

https://developers.meta.com/horizon/documentation/unity/unity-isdk-building-hand-pose-recognizer/