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# isTracked

A Boolean value that indicates whether ARKit tracks a hand joint.

```
var isTracked: Bool { get }
```

## Discussion

When the environment provides insufficient lighting, or if an object occludes the hand joint, `isTracked` may return `false`.
Even under these circumstances, ARKit returns a plausible transform for the joint.

Check for `isTracked` when you require high accuracy for the joint transform.
Don’t check for this property in situations where you expect to occlude hand joints, such as in a custom gesture implementation.

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