Step 1 : Go to Zapier > Create new Zap
Step 2 : 1st Zap, choose "Webhooks by Zapier"
Step 3 : Select "Catch Hook"
Step 4: Copy hook URL
5. Go to Settings > API > Webhooks
6. Select Event
7. Add the newly copied hook to "Target URL"
8. In Zapier, test your zap. At the same time, test your Event on your widget (Eg. Schedule a call)
9. 2nd Zap, choose your Action App
10. Set your steps.