In my Retell setup, the book_appointment tool requires an event type ID. Right now, I’ve only added one (for a 15-minute slot). However, for the business I’m building this for, the appointment duration depends on the specific service being requested (for example, a bathroom remodel might take 2 hours, while a basic repair might take 30 minutes). What’s the best way to handle this so that the AI can book appointments with different durations or event types depending on the service type?

hi, when im trying to add my cal.com api key to retell it keeps saying error validating cal.com tools. any help would be appreciated.