willSleepNotification
A notification that the workspace posts before the device goes to sleep.
Declaration
class let willSleepNotification: NSNotification.NameDiscussion
An observer of this message can delay sleep for up to 30 seconds while handling this notification.
The notification object is the shared NSWorkspace instance. The notification doesn’t contain a userInfo dictionary.
See Also
Responding to Environment Notifications
willLaunchApplicationNotificationdidLaunchApplicationNotificationdidTerminateApplicationNotificationsessionDidBecomeActiveNotificationsessionDidResignActiveNotificationdidHideApplicationNotificationdidUnhideApplicationNotificationdidActivateApplicationNotificationdidDeactivateApplicationNotificationdidRenameVolumeNotificationdidMountNotificationwillUnmountNotificationdidUnmountNotificationdidChangeFileLabelsNotificationactiveSpaceDidChangeNotification