To add a light/shutter in a system: Step 1: Select a room in which you want to insert a new object Step 2: Press "+" to add an object Step 3: Select the object type (light/shutter/thermostat...) Step 4: Select the object type (colored on/off dimmer...) Step 5: Associate devices: add an actuator/output and local controls if present Step 6: Save it After these steps, an object association is made and saved.