Detect when a user clears notification from the notification center

Question

My app needs to know if a user deletes/clears the apps notifications from the notification center using the clear button.

Is there either away to detect when the use

Answer 1

You (ie App) cannot interact with NotificationCenter, NotificationCenter interacts with the user. A user can choose not to receive any push-notifications.

http://developer.apple.com/library/mac/#documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/Introduction/Introduction.html