How to add/edit form fields
To add / edit form fields on your popup:
1) Hover over the form and click 'Edit Form'
2) To delete a form field click on it directly, a bar options will show on top of the field, and click on the "Delete" icon.
3) To add a form field, click on the form and select "Add Field" in the toolbar options.
4) To create a new field, click on the bottom left icon that appears in the popup, then select one of the form fields from the options that appear.
5) If you want the new field to show as a lead property in your list, make sure to click on the checkbox "Set as lead property lead property", and then click "Create".
6) When you have all of your fields added, press “Save Changes”