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

		]

	# Broadcast a notification event.
	broadcastNotificationsEvent = (notifications, event, req, data = {}) ->

		# Broadcast for each queue.
		queueMap = {}


			# Broadcast to others.
			broadcastNotificationsEvent(
				req
				event: 'shrub.ui.notifications.remove'
				notifications: req.notifications
			)

			Promise.all(
