Flags indicating which fields of the UnityXRGestureNavigationEvent struct are valid for this event.
| None | No values are valid for this event. |
| Time | The time value is valid for this event. |
| DeviceId | The Device ID is valid for this event. |
| GestureTrackingCoordinates | The 3D coordinates that this navigation gesture moved through is valid for this event. |
| NormalizedOffset | The normalized offset (from 0.0 to 1.0) of this navigation is valid for this event. |
| PointerPose | The pointer pose is valid for this event. |