pub unsafe static kMDQueryDidUpdateNotification: Option<&'static CFString>Available on crate feature
MDQuery only.Expand description
The name of the notification sent to indicate changes to the query’s results list during the second, live-update, phase of a query’s execution. This notification can carry the kMDQueryUpdateAddedItems, kMDQueryUpdateChangedItems, and kMDQueryUpdateRemovedItems keys in the info dictionary parameter of the notification. Note that these keys may be have empty arrays for values, or be missing, if there are no changes of that particular type. These notifications are sent out by a query after the kMDQueryDidUpdateNotification.
See also Apple’s documentation