1. Choosing a Registration Style
This determines the way in which you want your attendees to enter the event.
Registration-based: This option allows attendees to enter their email addresses or via social logins. The registered attendee details appear on the list of invited Attendees. Direct checkin: This option allows attendees to enter an event when it starts without any registration. Invite only: This option allows only the invited attendees to enter the event when it starts. Attendees must use the same email address to which the invite has been sent. Upon unsolicited access to such events, users are shown the following messaging: Select Authentication Options
Zuddl provides a number of authentication options for attendees to securely enter an event.
To set up authentication options for attendees
Select/clear Enable Guest Authentication checkbox. With Guest Authentication, Zuddl allows attendees to enter events anonymously. It is useful for conducting free/open events for which you don’t require attendee information Note: Guest authentication does not work for Invite only based registration style.
Under the Attendee auth options, select all required authentication options from the following Under the Speaker auth options, select all required authentication options from the following 
