Specifies the date components that control how often a user notification is repeated.
- macOS 10.8–10.14Deprecated
This value may be
nil if the notification should not repeat.
The date component values are relative to the date the notification was delivered.
If the calendar value of the
nil, the current calendar is used to calculate the repeat interval. For example, if a notification should repeat every hour, set the
hour property of the
This value is ignored unless the user notification is scheduled with the