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# sendDataToAudioExtension(_:)

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

```
final func sendDataToAudioExtension(_ data: Data) throws
```

## Parameters

`data`

The raw sensor frame as received from the accessory.
Must be 1–70 bytes; otherwise `AudioAccessoryError.invalidDataSize`
is thrown.

## Discussion> Throws: `AudioAccessoryError.invalidDataSize` if `data` is empty
> or larger than 70 bytes; `AudioAccessoryError.notActivated` if the
> session is not currently active.

---

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