*Create one room type Double B
Go to SETTINGS->BOOKING PAGE->PAGE DESIGN and set "Room Order" = Hide
2. Set up the room dependency settings in SETTINGS->PROPERTIES->ROOMS->DEPENDENCIES for Double B
Leave all other setting set to the defaults.
3. Go to SETTINGS->BOOKING PAGE->PAGE DESIGN and set "Room Order" = Hide Unavailable
Example 2: A hotel has 2 room types (Double A with a quantity of 10 and Double B with a quantity of 2). Double B is only bookable if less than 3 units of Double A are left
*Create one room type Double B
Go to SETTINGS->BOOKING PAGE->PAGE DESIGN and set "Room Order" = Hide
2. Set up the room dependency settings in SETTINGS->PROPERTIES->ROOMS->DEPENDENCIES for Double B
Leave all other setting set to the defaults.
3. Go to SETTINGS->BOOKING PAGE->PAGE DESIGN and set "Room Order" = Hide Unavailable