---
title: nw_service_class_signaling
framework: network
role: symbol
role_heading: Global Variable
path: network/nw_service_class_signaling
---

# nw_service_class_signaling

Signaling control traffic.

## Declaration

```swift
var nw_service_class_signaling: nw_service_class_t { get }
```

## See Also

### Service classes

- [nw_service_class_best_effort](network/nw_service_class_best_effort.md)
- [nw_service_class_background](network/nw_service_class_background.md)
- [nw_service_class_interactive_video](network/nw_service_class_interactive_video.md)
- [nw_service_class_interactive_voice](network/nw_service_class_interactive_voice.md)
- [nw_service_class_responsive_data](network/nw_service_class_responsive_data.md)