A notification that can be scheduled for display in the notification center.
- macOS 10.8–10.14Deprecated
When a notification is delivered, information about when the notification was actually presented to the user (if at all) and other details are provided in the notification object. User applications can create
NSUser objects and register them with the
NSUser object to notify the user when an application requires attention.
NSUser class and the
NSUser class are both thread safe.