---
title: uuid
framework: corelocation
role: symbol
role_heading: Instance Property
path: corelocation/clbeacon/uuid
---

# uuid

The UUID that the observed beacon transmitted.

## Declaration

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

## Mentioned in

Determining the proximity to an iBeacon device

## Discussion

Discussion The UUID is the most significant beacon identity characteristic.  Multiple beacon can transmit the same UUID.

## See Also

### Getting the beacon identity

- [major](corelocation/clbeacon/major.md)
- [minor](corelocation/clbeacon/minor.md)
- [proximityUUID](corelocation/clbeacon/proximityuuid.md)