Glad to hear you figured it out!

To perform an update, you first need to specify the information you wish to modify. For instance: Here's a sample workflow:

And perhaps a small tip: build and test your workflow in callin.io’s Desktop App. You can find download links via this web page. I wanted to try out...

Could you please elaborate on your objective? In other words, what is the intended function of your workflow?

Could you share an example of the API call / URL that triggers your Webhook? Also, could you provide an example of your Airtable file/structure?