How to make a form update a database row instead of new one?

[Johg_Ananda]

Hi @Erica_Wilson you need to use url parameters with your form. Its explained in this article here:

Launched: Pre-filled Form Fields

We’ve loved hearing about the incredible ways you’ve been using forms in the few weeks since they’ve launched, and wanted to share an exciting update based on your feedback. Starting today, you can update URLs for forms you publish to pre-fill fields in your forms. To do so: Publish your form Append text to your URLs to specify any fields that should be pre-filled (read on for more) [Prefilled Forms] URL Structure to Pre-Fill Fields To pre-fill fields, grab your published form URL and add …

Good luck let me know if you need more help.