---
title: NWUDPSessionState.invalid
framework: networkextension
role: symbol
role_heading: Case
path: networkextension/nwudpsessionstate/invalid
---

# NWUDPSessionState.invalid

The session is in an invalid or uninitialized state.

## Declaration

```swift
case invalid
```

## See Also

### Session States

- [NWUDPSessionState.waiting](networkextension/nwudpsessionstate/waiting.md)
- [NWUDPSessionState.preparing](networkextension/nwudpsessionstate/preparing.md)
- [NWUDPSessionState.ready](networkextension/nwudpsessionstate/ready.md)
- [NWUDPSessionState.failed](networkextension/nwudpsessionstate/failed.md)
- [NWUDPSessionState.cancelled](networkextension/nwudpsessionstate/cancelled.md)