AXObserverMBS.AddNotification(element as AXUIElementMBS, notification as CFStringMBS) as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Accessibility	MBS MacCF Plugin	3.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Adds a notification to the observer.

Returns an error code. (0 for no error and -1 if the function is not available)

Some examples using this method:

• /MacOSX/Accessibility services/Active Window Logging
• /MacOSX/Accessibility services/Observer Test

AXObserverMBS.Create(pid as Integer) as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Accessibility	MBS MacCF Plugin	3.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Creates a new observer for the given process.

You need a valid process ID to observe the target application. The ProcessMBS class can help you.

AXObserverMBS.RemoveNotification(element as AXUIElementMBS, notification as CFStringMBS) as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Accessibility	MBS MacCF Plugin	3.3	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Removes a notification from the observer.

Returns an error code. (0 for no error and -1 if the function is not available)