---
title: IOBluetoothUserNotification
framework: IOBluetooth
role: symbol
role_heading: Class
path: iobluetooth/iobluetoothusernotification
---

# IOBluetoothUserNotification

Represents a registered notification.

## Declaration

```swift
class IOBluetoothUserNotification
```

## Overview

Overview When registering for various notifications in the system, an IOBluetoothUserNotification object is returned. To unregister from the notification, call -unregister on the IOBluetoothUserNotification object. Once -unregister is called, the object will no longer be valid.

## Topics

### Instance Methods

- [unregister()](iobluetooth/iobluetoothusernotification/unregister().md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Classes

- [IOBluetoothDevice](iobluetooth/iobluetoothdevice.md)
- [IOBluetoothDeviceInquiry](iobluetooth/iobluetoothdeviceinquiry.md)
- [IOBluetoothDevicePair](iobluetooth/iobluetoothdevicepair.md)
- [IOBluetoothDeviceRef](iobluetooth/iobluetoothdeviceref.md)
- [IOBluetoothHandsFree](iobluetooth/iobluetoothhandsfree.md)
- [IOBluetoothHandsFreeAudioGateway](iobluetooth/iobluetoothhandsfreeaudiogateway.md)
- [IOBluetoothHandsFreeDevice](iobluetooth/iobluetoothhandsfreedevice.md)
- [IOBluetoothHostController](iobluetooth/iobluetoothhostcontroller.md)
- [IOBluetoothL2CAPChannel](iobluetooth/iobluetoothl2capchannel.md)
- [IOBluetoothL2CAPChannelRef](iobluetooth/iobluetoothl2capchannelref.md)
- [IOBluetoothOBEXSession](iobluetooth/iobluetoothobexsession.md)
- [IOBluetoothObject](iobluetooth/iobluetoothobject.md)
- [IOBluetoothObjectRef](iobluetooth/iobluetoothobjectref.md)
- [IOBluetoothRFCOMMChannel](iobluetooth/iobluetoothrfcommchannel.md)
- [IOBluetoothRFCOMMChannelRef](iobluetooth/iobluetoothrfcommchannelref.md)