---
title: deviceID
framework: coremediaio
role: symbol
role_heading: Instance Property
path: coremediaio/cmioextensiondevice/deviceid
---

# deviceID

A universally unique device identifier value.

## Declaration

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

## See Also

### Identifying a Device

- [localizedName](coremediaio/cmioextensiondevice/localizedname.md)
- [legacyDeviceID](coremediaio/cmioextensiondevice/legacydeviceid.md)