---
title: bluetoothIdentifier
framework: DeviceDiscoveryExtension
role: symbol
role_heading: Instance Property
platforms: [iOS 16.0+, iPadOS 16.0+, Mac Catalyst 16.0+, visionOS 1.0+]
path: devicediscoveryextension/dddevice/bluetoothidentifier
---

# bluetoothIdentifier

An identifier to communicate with the device through Bluetooth wireless technology.

## Declaration

```swift
var bluetoothIdentifier: UUID? { get set }
```

## Discussion

Discussion An extension may set this property to the Bluetooth identifier of a discovered CBPeripheral.

## See Also

### Indicating the protocol

- [protocol](devicediscoveryextension/dddevice/protocol-swift.property.md)
- [DDDevice.Protocol](devicediscoveryextension/dddevice/protocol-swift.enum.md)
- [protocolType](devicediscoveryextension/dddevice/protocoltype.md)
- [networkEndpoint](devicediscoveryextension/dddevice/networkendpoint-3lah1.md)