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# supportsWorldTracking

A Boolean value that indicates whether the iOS device supports tracking the user’s facial features in a world-tracking session.

```
class var supportsWorldTracking: Bool { get }
```

## Discussion

Call this function before attempting to enable world tracking in a face tracking configuration using [`isWorldTrackingEnabled`](/documentation/ARKit/ARFaceTrackingConfiguration/isWorldTrackingEnabled).

---

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