Once your accessory is correctly paired to your Smart Home Tablet, you can assign it one or several room(s).You then have two solutions : 

• from the All accessoires menu on the left of the screen. Press the name of the accessory you want to assign a room and select "Rooms" in the menu that is displayed. Tick the room(s) where you want to display your accessory.  
• from the Rooms menu on the left of the screen. Press the  button on the right top and then press . The list of your accessories and their possible actions are displayed, drag the item in your room to associate it.