---
title: streamApplicationErrorCode
framework: network
role: symbol
role_heading: Instance Property
path: network/nwprotocolquic/metadata/streamapplicationerrorcode
---

# streamApplicationErrorCode

The QUIC application error code to send for the stream, or received from the peer.

## Declaration

```swift
var streamApplicationErrorCode: UInt64 { get set }
```

## See Also

### Handling Errors

- [applicationError](network/nwprotocolquic/metadata/applicationerror.md)
- [NWProtocolQUIC.ApplicationError](network/nwprotocolquic/applicationerror.md)