'''[INTERNALROOMNAME]''' - internal room name as used in the control panel, this is not the translated room name shown on the booking page
'''[ROOMID]''' - room id number/ ID Einheit '''[ROOMMETAAUXTEXT]''' - room meta auxiliary text / Einheit interner Text
'''[VIEWBOOKING]''' - create a URL to log into the control panel and view this booking (for hosts, not intended to be sent to guests)
'''[EMAIL:00]''' - Email status to display in the hover text of a booking. Replace 00 with the number of the Email template / Email status der im Hover Text der Buchung angezeigt wird. Ersetzen sie 00 mit der Nummber des Email Templates.