---
title: uuid
framework: callkit
role: symbol
role_heading: Instance Property
path: callkit/cxtransaction/uuid
---

# uuid

The unique identifier of the transaction.

## Declaration

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

## See Also

### Accessing Transaction Attributes

- [isComplete](callkit/cxtransaction/iscomplete.md)
- [actions](callkit/cxtransaction/actions.md)