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  "title" : "AudioAccessoryHeadTracking.Session"
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# AudioAccessoryHeadTracking.Session

```
final class Session
```

## Topics

### Instance Properties

[`var isHeadTrackingActive: Bool`](/documentation/AudioAccessoryKit/AudioAccessoryHeadTracking/Session/isHeadTrackingActive)

Returns `true` when head tracking is currently enabled for this
accessory; `false` otherwise.

[`let restorationID: String?`](/documentation/AudioAccessoryKit/AudioAccessoryHeadTracking/Session/restorationID)

A stable identifier the system uses to bring this extension out of
suspension when sensor traffic arrives for this accessory.

### Instance Methods

[`func sendDataToAudioExtension(Data) throws`](/documentation/AudioAccessoryKit/AudioAccessoryHeadTracking/Session/sendDataToAudioExtension(_:))

Forward a frame of IMU sensor data from the accessory to the Spatial Audio renderer.

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`AccessoryFeatureSession`](/documentation/AccessoryTransportExtension/AccessoryFeatureSession)

[`Sendable`](/documentation/Swift/Sendable)

---

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