---
title: NSMachErrorDomain
framework: foundation
role: symbol
role_heading: Global Variable
path: foundation/nsmacherrordomain
---

# NSMachErrorDomain

Mach errors

## Declaration

```swift
let NSMachErrorDomain: String
```

## See Also

### Error Domains

- [NSCocoaErrorDomain](foundation/nscocoaerrordomain.md)
- [NSPOSIXErrorDomain](foundation/nsposixerrordomain.md)
- [NSOSStatusErrorDomain](foundation/nsosstatuserrordomain.md)
- [NSURLErrorDomain](foundation/nsurlerrordomain.md)
- [NSStreamSOCKSErrorDomain](foundation/nsstreamsockserrordomain.md)
- [NSStreamSocketSSLErrorDomain](foundation/nsstreamsocketsslerrordomain.md)