Returns the event type.
Returns the tracker:id of the element being notified upon. This is a #gint64 which is used as efficient internal identifier for the resource.
Returns the Uniform Resource Name of the element. This is Tracker's public identifier for the resource.
This URN is an unique string identifier for the resource being notified upon, typically of the form "urn:uuid:...".
TheTrackerNotifierEvent struct represents a
change event in the stored data.