This is a mandatory field that is part of the booking process and is located in stage 3 of the booking form.
To setup your referrals, go to SETUP > MARKETING > REFERRALS
You can ask your guest how they heard about you eg. through a Google search, the local magazine or if they have been before. You can have as many referral options as you like.
To can also assign this referral to more than one unit.
Tip: You can see a pie chart of referral statistics (by month or year) on the dashboard and you can also generate a report of your referral options to see where your marketing really works!