Open Brush Eye Tracking

Hi all
I'm testing if I can use the openbrush environment for a research project. I need eye-tracking data, so I'm using a pico neo 3 pro eye as a VR headset. Usually you need to adapt the XR origin to get started. I'm kinda lost on how to look at the XR origin in OpenBrush.
Am I correct stating that the camera and the controllers are separated? Can this be replaced by one standard XR origin, or are there too many things relying on each other?
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