---
title: kCFHTTPVersion3_0
framework: cfnetwork
role: symbol
role_heading: Global Variable
path: cfnetwork/kcfhttpversion3_0
---

# kCFHTTPVersion3_0

HTTP version 3.0.

## Declaration

```swift
let kCFHTTPVersion3_0: CFString
```

## See Also

### Constants

- [kCFStreamNetworkServiceTypeAVStreaming](cfnetwork/kcfstreamnetworkservicetypeavstreaming.md)
- [kCFStreamNetworkServiceTypeResponsiveAV](cfnetwork/kcfstreamnetworkservicetyperesponsiveav.md)
- [kCFStreamNetworkServiceTypeResponsiveData](cfnetwork/kcfstreamnetworkservicetyperesponsivedata.md)
- [kCFStreamPropertyAllowConstrainedNetworkAccess](cfnetwork/kcfstreampropertyallowconstrainednetworkaccess.md)
- [kCFStreamPropertyAllowExpensiveNetworkAccess](cfnetwork/kcfstreampropertyallowexpensivenetworkaccess.md)
- [kCFStreamPropertyConnectionIsExpensive](cfnetwork/kcfstreampropertyconnectionisexpensive.md)