This template variable uses the information from the guests attached to the booking
for example [GUESTGROUP:PROP_ROOM_BREF_NAME] available parameters
ADDR = Address
Connect the variables parameters with an underscore.
Examples:
[GUESTGROUP:PROP_ROOM_BREF_NAME] will display the property name, room name, booking number and guest name in this order.
[GUESTGROUP:BREF_NAME_PROP_ROOM] will display the booking number, guest name property name and room name in this order.