---
title: AXError
framework: applicationservices
role: symbol
role_heading: Enumeration
path: applicationservices/axerror
---

# AXError

Error codes returned by accessibility functions.

## Declaration

```swift
enum AXError : Int32, @unchecked Sendable
```

## Topics

### Enumeration Cases

- [AXError.apiDisabled](applicationservices/axerror/apidisabled.md)
- [AXError.actionUnsupported](applicationservices/axerror/actionunsupported.md)
- [AXError.attributeUnsupported](applicationservices/axerror/attributeunsupported.md)
- [AXError.cannotComplete](applicationservices/axerror/cannotcomplete.md)
- [AXError.failure](applicationservices/axerror/failure.md)
- [AXError.illegalArgument](applicationservices/axerror/illegalargument.md)
- [AXError.invalidUIElement](applicationservices/axerror/invaliduielement.md)
- [AXError.invalidUIElementObserver](applicationservices/axerror/invaliduielementobserver.md)
- [AXError.noValue](applicationservices/axerror/novalue.md)
- [AXError.notEnoughPrecision](applicationservices/axerror/notenoughprecision.md)
- [AXError.notImplemented](applicationservices/axerror/notimplemented.md)
- [AXError.notificationAlreadyRegistered](applicationservices/axerror/notificationalreadyregistered.md)
- [AXError.notificationNotRegistered](applicationservices/axerror/notificationnotregistered.md)
- [AXError.notificationUnsupported](applicationservices/axerror/notificationunsupported.md)
- [AXError.parameterizedAttributeUnsupported](applicationservices/axerror/parameterizedattributeunsupported.md)
- [AXError.success](applicationservices/axerror/success.md)

## Relationships

### Conforms To

- [Sendable](swift/sendable.md)