Web Forms for Marketers - adoprog/Sitecore-Flow GitHub Wiki

First create the web form (or use a sample one) and add a "Send to Microsoft Flow" action to it. Copy the "Request Body JSON Schema" field value to the clipboard.

form actions

Then create a blank Microsoft Flow and choose a trigger called "When a HTTP request is received" to it. Paste the text from clipboard to the "Request Body JSON Schema" field

flow trigger

Now add any action (required to get the post URL), save the Flow and copy the "HTTP POST URL" to Sitecore field.

flow trigger complete

That's it! Now all Web Form submits will be posted to Microsoft Flow. With a few clicks you can build the flow for your form.

dynamics form fields

Here is the sample with Dynamics, Slack, and custom condition in on Flow:

flow