Added line in README to demonstrate notification log.
@@ -155,6 +155,9 @@ with SQLAlchemyApplication(persist_event_type=World.Event) as app:
# Aggregate now exists in repository.
assert world.id in app.repository
+ # Show the notification log has four items.
+ assert len(app.notification_log['current'].items) == 4
+
# Replay stored events for aggregate.
copy = app.repository[world.id]
