On the Vyte event page, click on "Invite someone" at the top left of the page
Insert the email address of the guest you wish to add and click on the blue "Add" button
You can add several guests at once
Once you have inserted the email address of each guest you wish to add to the appointment, click on the green "Add" button
Added guests will be visible on the guest list
Once a guest has been added to an appointment, he/she will receive an invitation email.