The procedure is as follows:
(1) Download the Botslab app from Google Play or iOS App Store.
(2) Open the Botslab app to register or log in to the account.
(3) Turn on a smart device such as a camera and connect it to the Botslab app.
(4) Rename the device for easier voice control.
(5) Download the google home app from Amazon Market, Google Play, or iOS App Store. Connect Nest Hub to the google home app.
(6) Log in to "Google home" app, click Add - Set up device - Have Something already set up - Botslab for account authorization, then log in to account, and the authorization can be completed.
(7) Say specific voice commands to the Google assistant to control your device.