---
title: init()
framework: foundation
role: symbol
role_heading: Initializer
path: foundation/uuid/init()
---

# init()

Creates a UUID with RFC 4122 version 4 random bytes.

## Declaration

```swift
init()
```

## See Also

### Creating UUIDs

- [init(uuid:)](foundation/uuid/init(uuid:).md)
- [init(uuidString:)](foundation/uuid/init(uuidstring:).md)