You need an ONYX® shading control system (https://www.hella.info/en/smart-home/onyx-home) and the ONYX® app installed on your mobile phone for this Action. Before you can use the Action your ONYX® devices must be installed and configured using the ONYX® app. To connect this Action, no additional ONYX® account is required. Details of the connection process are visible when you activate the Action. When Google Assistant is connected to ONYX®, you can change the position of your roller shutters, blinds or awnings using your voice. Additionally, the ONYX® awning lighting can be switched on, off and dimmed. You can revoke the permission of Google Assistant controlling your devices at any time using the ONYX® app.