ARTrackingState ARTrackingStateReason with ARFoundation?

I’m looking for the equivalent of ARKIt’s ARTrackingState and ARTrackingStateReason in ARFoundation

So far I found this event, but it never gets called, not even wen covering the camera.
ARSubsystemManager.sessionSubsystem.TrackingStateChanged

I also subscribed to ARSubsystemManager.systemStateChanged
but it always return “tracking”, even when I cover the camera and tracking is interrupted/bad…

How do I check the quality of tracking and the reason for bad tracking with ARFoundation?

OK, turns out it works fine on Android, but on iOS simply always says sessionTracking.

Also, I would still like to know how to access tracking state reason from ARKit.

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