How to customize Calendly type questions

First, you need to create a Calendly-type field as shown in the image below:

From there, you should enter your account/your calendar in the field on the right, labeled 'Calendly URL.' It will look something like this:

The Calendly will look like this on your form:

want to add pre-filling for name and email, just click on the button labeled 'Enable pre-filling' and select the desired option:

It will look like this, as shown in the example