---
title: proximityUUID
framework: corelocation
role: symbol
role_heading: Instance Property
path: corelocation/clbeaconregion/proximityuuid
---

# proximityUUID

The unique ID of the beacons you’re targeting.

## Declaration

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

## Discussion

Discussion Typically, the UUID is unique to your company and is the same for all of the beacons that you install. Use the major and minor values to differentiate the beacons in your installation.

## See Also

### Deprecated

- [init(proximityUUID:identifier:)](corelocation/clbeaconregion/init(proximityuuid:identifier:).md)
- [init(proximityUUID:major:identifier:)](corelocation/clbeaconregion/init(proximityuuid:major:identifier:).md)
- [init(proximityUUID:major:minor:identifier:)](corelocation/clbeaconregion/init(proximityuuid:major:minor:identifier:).md)