Creates a notification with information, and posts it to the receiver.
- macOS 10.3+
Name of the notification to post. Must not be
Sender of the notification. May be
Dictionary containing additional information. May be
Specifies how the notification is posted to the task and when to deliver it to its observers. See Notification Posting Behavior for details.
user dictionary is serialized as a property list, so it can be passed to another task. In the receiving task, it is deserialized back into a dictionary. This serialization imposes some restrictions on the objects that can be placed in the
user dictionary. See XML Property Lists for details.