Configuration of ability to view and manage all previous bookings of user, at front-end side of your website. Visitors of your website, can view previous (own) bookings, by clicking on secret link in email, which is sending after booking created.
Important! Please note, if you open this page directly, you will see this warning "You do not set any parameters for booking editing". It's because system allow to open this page only from link(s) in email templates, which your website visitor had to received, after he/she made the booking (inside of that link will be specific parameter (secret HASH) for the identification of the booking). Check more about such type of configuration here.