---
title: AXObserverGetTypeID()
framework: Application Services
role: symbol
role_heading: Function
platforms: [macOS 10.2+]
path: applicationservices/1461244-axobservergettypeid
---

# AXObserverGetTypeID()

Returns the unique type identifier for the AXObserverRef type.

## Declaration

```swift
func AXObserverGetTypeID() -> CFTypeID
```

## Return Value

Return Value Returns the CFTypeID of the AXObserverRef type.

## See Also

### Notification API

- [AXObserverAddNotification(_:_:_:_:)](applicationservices/1462089-axobserveraddnotification.md)
- [AXObserverCreate(_:_:_:)](applicationservices/1460133-axobservercreate.md)
- [AXObserverCreateWithInfoCallback(_:_:_:)](applicationservices/1460610-axobservercreatewithinfocallback.md)
- [AXObserverGetRunLoopSource(_:)](applicationservices/1459139-axobservergetrunloopsource.md)
- [AXObserverRemoveNotification(_:_:_:)](applicationservices/1462066-axobserverremovenotification.md)