---
title: AXError.notificationAlreadyRegistered
framework: applicationservices
role: symbol
role_heading: Enumeration Case
path: applicationservices/axerror/notificationalreadyregistered
---

# AXError.notificationAlreadyRegistered

## Declaration

```swift
case notificationAlreadyRegistered = -25209
```

## Discussion

Discussion This notification has already been registered for.