Changes

LOCKROOM (this will prevent room changes)

LOCKUNIT (this will prevent room changes and unti unit changes)

For example, if If you use the code "CHECKEDIN" when guests check in and "CHECKEDOUT" when guests check out, you could create a custom reports report to show custom reports by showing booking which include bookings with the info code "CHECKEDIN" and excluding those that have but without the info code "CHECKEDOUT" effectively showing only guests who have checked in and haven't checked out yet.