Roomba i7+ doesn't have option to add cleaning zone, only keep out zone. IRobot website seems to suggest that this is a part of smart mapping technology that this Roomba has. Any
iRobot on Instagram: “Clean the areas you want, when you want. Introducing Keep Out Zones – the easy way to control where your #Roomba robot vacuum can and can't…”
iRobot Home app gets a major update, brings clean zones, keep-out zones and more features | Home Appliances News