Thanks for posting this. I was working on getting this sort of thing working with Azure Functions, but Google Functions was a lot simpler to set up. With a couple changes you can bypass Integromat and have the webhook send the payload directly to Google Functions. Integromat and Microsoft Flow have never been reliable enough for us to use them in production so its great to be able to bypass that step. The python script needs to be modified slightly to parse the payload. Lines 9&10 should be replaced with something like: #convert the payload json file into a dictionary
payload_dict = request.get_json()
start_date = payload_dict["feature"]["attributes"]["startDate"]
to_email = payload_dict["feature"]["attributes"]["toEmail"]
Finally, Instead of setting up Integromat: Open survey123 website, and got into the survey's Settings > Webhooks. Add a new webhook and use the trigger URL as the payload URL:
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