 
 				# Broadcast to others.
 				broadcastNotificationsEvent(
-					notifications, 'shrub.ui.notifications.acknowledged', req
+					req
+					event: 'shrub.ui.notifications.acknowledged'
+					notifications: notifications
 				)
 
 				Promise.all(

					# Broadcast to others.
					notification.redactFor(req.user).then (notification) ->
						broadcastNotificationsEvent(
							[notification], 'shrub.ui.notifications', req
							notifications: [notification]
						)



			# Broadcast to others.
			broadcastNotificationsEvent(
				req
				data: markedAsRead: req.body.markedAsRead
				event: 'shrub.ui.notifications.markAsRead'
				notifications: req.notifications
			)

			Promise.all(
