---
title: CXErrorDomain
framework: callkit
role: symbol
role_heading: Global Variable
path: callkit/cxerrordomain
---

# CXErrorDomain

The domain for CallKit errors.

## Declaration

```swift
let CXErrorDomain: String
```

## Discussion

Discussion See CXProvider for possible error codes.

## See Also

### Handling Errors

- [CXCallEndedReason](callkit/cxcallendedreason.md)
- [CXError](callkit/cxerror.md)
- [CXError.Code](callkit/cxerror/code.md)
- [CXErrorCodeIncomingCallError](callkit/cxerrorcodeincomingcallerror-swift.struct.md)
- [CXErrorCodeIncomingCallError.Code](callkit/cxerrorcodeincomingcallerror-swift.struct/code.md)
- [CXErrorCodeNotificationServiceExtensionError](callkit/cxerrorcodenotificationserviceextensionerror-swift.struct.md)
- [CXErrorDomainIncomingCall](callkit/cxerrordomainincomingcall.md)