How to add a Google Sheets stat widget
Start by navigating to the client marketing dashboard of the campaign where you'd like to add the widget. Click "Edit Dashboard".
Then click "Add Widget".
Drill down through the "Misc" option
Select "Google Sheets"
Then "Stat". Finally, click "Add Widget".
Your widget will be added to the bottom of your dashboard. Drag and drop to move it to your desired position, and resize as you would any other widget.