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# uuid

The Bluetooth-specific UUID of the attribute.

```
var uuid: CBUUID { get }
```

## Discussion

This property is a 128-bit UUID that identifies the attribute.

For more information, see [Core Bluetooth Programming Guide](https://developer.apple.com/library/archive/documentation/NetworkingInternetWeb/Conceptual/CoreBluetooth_concepts/AboutCoreBluetooth/Introduction.html#//apple_ref/doc/uid/TP40013257).

---

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