Eye Tracking in Meta Quest Pro using OpenXR

I would like to implement a UI canvas in world space that is slightly in front of and above my main camera. I have made it a child of my main camera so that it follows.

I want the canvas to appear when the player looks up (with their eyes, not the entire headset) and disappear otherwise. I am using the Meta Quest Pro headset, which already has eye tracking information.

Is there a way for me to pull from this information so that I can incorporate this data into Unity? What would the API for this be? My project has been set up with OpenXR and the XR Interaction toolkit, meaning I am using the XR Rig to set up my VR camera.

I am still new to coding/Unity, so any help would be greatly appreciated!!

With the XR Interaction Toolkit this can be done using the XR Gaze Interactor. The problem is that there is currently no support for the Meta Quest Pro (see this forum post).