The "Payable Forms" Add-On which is in the Google Workspace Marketplace and lets you connect to PayPal and will automatically calculate payment, create a checkout for the user, and update the connected Google Sheet with the payment status. This is a link to the Add-ON for Google Forms: https://gsuite.google.com/marketplace/app/payable_forms/353824655747 This is a link to a tutorial video on YouTube where they made a registration form sample: https://www.youtube.com/watch?v=Ut0kbjEvQIQ
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