I am trying to integrate both and I'm stuck an testing the webhook. when I click on 'listen for test event' I get make a post request to: 'a key here' But I'm note sure where to make that from. my goal is to take the transcript. Thanks for help

i've been trying since yesterday to understand how this works. i can get things working on an js compiler ( using chatgpt code), but unable to get it to work here. what I want to do is return a json in the form of {'combined_transcript':' the converastion between 2 people here'} how can I get around this? Thanks