# TrackingReference

> Represents a stationary physical device that can be used as a point of reference in the tracked area.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.XR](/engine/6000.7/script-reference/unityengine/xr.md)
* **Assembly:** UnityEngine.XRModule

```csharp
TrackingReference = 7
```