The present document is part of the MirrorLink? specification which specifies an interface for enabling remote user interaction of a mobile device via another device. The present document is written having a vehicle head-unit to interact with the mobile device in mind@ but it will similarly apply for other devices@ which provide a colour display@ audio input/output and user input mechanisms. The TmNotificationServer service is an UPnP service that allows control points to receive diverse notifications from the devices that support the TmNotificationServer service. The TmNotificationServer service enables the following features to: ? send a notification to the head unit ? get an action described in the notification