---
title: code
framework: network
role: symbol
role_heading: Instance Property
path: network/nwprotocolquic/applicationerror/code
---

# code

The QUIC application error code.

## Declaration

```swift
let code: UInt64
```

## See Also

### Inspecting Application Errors

- [reason](network/nwprotocolquic/applicationerror/reason.md)