Require value is unique in the record - the email value needs to be unique in all of the records submitted. If this option is enabled, the system will verify with the server that the email value does not exist in other form records submitted in this form. Otherwise, user will not be able to do form submission.
Require field to be filled - make the email box a mandatory field
Value cannot be changed - make email box as read only and cannot be modified by the user
Visible when control is loaded - show email box when form is loaded. By default, this option is enabled.
