---
title: CFStreamErrorDomain.custom
framework: corefoundation
role: symbol
role_heading: Case
path: corefoundation/cfstreamerrordomain/custom
---

# CFStreamErrorDomain.custom

The error code is a custom error code.

## Declaration

```swift
case custom
```

## See Also

### Constants

- [CFStreamErrorDomain.POSIX](corefoundation/cfstreamerrordomain/posix.md)
- [CFStreamErrorDomain.macOSStatus](corefoundation/cfstreamerrordomain/macosstatus.md)