---
title: version4
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/streamsocksproxyversion/version4
---

# version4

Possible value for NSStreamSOCKSProxyVersionKey.

## Declaration

```swift
static let version4: StreamSOCKSProxyVersion
```

## See Also

### Type Properties

- [version5](foundation/streamsocksproxyversion/version5.md)