Please note: The English word '''referrer''' is spelled with two '''r'''s. However, the parameter's name in the URL is spelled '''referer''' with only one '''r'''.
All bookings contain a referrer field (under the tab "Details"). The content of this field is set in the link which originally opened opens the on-line [[:category:Booking Page|booking page]] for the guest.
An example link to your booking page would be: