---
title: deviceID
framework: audiotoolbox
role: symbol
role_heading: Instance Property
path: audiotoolbox/auaudiounit/deviceid
---

# deviceID

Gets the I/O hardware device.

## Declaration

```swift
var deviceID: AUAudioObjectID { get }
```

## See Also

### Configuring the Device

- [setDeviceID(_:)](audiotoolbox/auaudiounit/setdeviceid(_:).md)
- [canPerformInput](audiotoolbox/auaudiounit/canperforminput.md)
- [canPerformOutput](audiotoolbox/auaudiounit/canperformoutput.md)
- [isInputEnabled](audiotoolbox/auaudiounit/isinputenabled.md)
- [isOutputEnabled](audiotoolbox/auaudiounit/isoutputenabled.md)
- [inputHandler](audiotoolbox/auaudiounit/inputhandler.md)
- [outputProvider](audiotoolbox/auaudiounit/outputprovider.md)
- [deviceInputLatency](audiotoolbox/auaudiounit/deviceinputlatency.md)
- [deviceOutputLatency](audiotoolbox/auaudiounit/deviceoutputlatency.md)
- [startHardware()](audiotoolbox/auaudiounit/starthardware().md)
- [stopHardware()](audiotoolbox/auaudiounit/stophardware().md)
- [AURenderPullInputBlock](audiotoolbox/aurenderpullinputblock.md)