---
title: AXObserver
framework: Application Services
role: symbol
role_heading: Class
platforms: [macOS 10.2+]
path: applicationservices/axobserver
---

# AXObserver

## Declaration

```swift
class AXObserver
```

## Overview

Overview An AXObserverRef is a CFType. Like all CFTypes, they are reference counted (CFRetain, CFRelease).