To integrate with Google Sheets, you need to be in the Console section, go to the Integration menu and click the connect button in the Google Sheets block.
After clicking on the button, you will be taken to the Google authorization page, where you will be asked to select an account for integration or sign in.
Then go through the mail and allow
After a successful connection, the connected account will be displayed in Smart Sender.
To disable the integration, you need to click the Disable button.