Help Setting Up SMS Alerts for VIP Calls Using Intercom

Hello,

I’m trying to set up an SMS alert system in Intercom for when a VIP customer calls in. The plan is to use the phone workflow to trigger an API call, which then triggers an event. This event should prompt an SMS to be sent to a specific segment of our team.

I've been attempting to use "Last contacted" for the created_at field and "Contact ID" for user_id in my API setup, but I keep encountering JSON format errors. If anyone has experience with setting up similar workflows or can offer insights into what might be going wrong, I'd greatly appreciate your help. Also, if there's a different approach that could achieve the same outcome, I’m open to suggestions!

Thanks in advance for your assistance!