Enumeration of tracked XR nodes which can be updated by XR input.
| LeftEye | Node representing the left eye. |
| RightEye | Node representing the right eye. |
| CenterEye | Node representing a point between the left and right eyes. |
| Head | Node representing the user's head. |
| LeftHand | Node representing the left hand. |
| RightHand | Node representing the right hand. |
| GameController | Represents a tracked game Controller not associated with a specific hand. |
| TrackingReference | Represents a stationary physical device that can be used as a point of reference in the tracked area. |
| HardwareTracker | Represents a physical device that provides tracking data for objects to which it is attached. |