After selecting your trigger, the Google Sheet action will prompt you to connect your Google Sheets account and confirm permission access.
A window will display after allowing access, and from the Configuration tab, indicate which spreadsheet you wish to connect.
The spreadsheet will be added to your configuration and you can then select the Worksheet you wish the create the rows in.
Note: The worksheet must have non-empty column headers. Upon selection, SmartSuite will verify your workspace is valid.