---
title: protocolFamily
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/nepacket/protocolfamily
---

# protocolFamily

## Declaration

```swift
var protocolFamily: sa_family_t { get }
```

## See Also

### Accessing packet properties

- [data](networkextension/nepacket/data.md)
- [metadata](networkextension/nepacket/metadata.md)
- [direction](networkextension/nepacket/direction.md)
- [NETrafficDirection](networkextension/netrafficdirection.md)