[BOOKINGDATE:+1day{%A, %e %B, %Y}] - optional date offset and display format. The offset can be any plus or minus any number of days and the display can be any valid PHP strftime format string.
==Account Variables==
[ACCOUNTID] - account id of the booked property
[LOGGEDINACCOUNTID] - account id of the logged in user (use in control panel only, not appropriate for use in auto actions or emails)