---
title: CXError
framework: callkit
role: symbol
role_heading: Structure
path: callkit/cxerror
---

# CXError

Error codes for the CallKit errors.

## Declaration

```swift
struct CXError
```

## Topics

### Constants

- [invalidArgument](callkit/cxerror/invalidargument.md)
- [unentitled](callkit/cxerror/unentitled.md)
- [unknownError](callkit/cxerror/unknownerror.md)

### Type Properties

- [missingVoIPBackgroundMode](callkit/cxerror/missingvoipbackgroundmode.md)
- [errorDomain](callkit/cxerror/errordomain.md)

### Enumerations

- [CXError.Code](callkit/cxerror/code.md)

## Relationships

### Conforms To

- [CustomNSError](foundation/customnserror.md)
- [Equatable](swift/equatable.md)
- [Error](swift/error.md)
- [Hashable](swift/hashable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Handling Errors

- [CXCallEndedReason](callkit/cxcallendedreason.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)
- [CXErrorDomain](callkit/cxerrordomain.md)
- [CXErrorDomainIncomingCall](callkit/cxerrordomainincomingcall.md)