Here are the steps on how to set Motion Detection, Activity Detection Area, and Person Detection under Smart Detection Settings:
To access Smart Detection Settings:
Go to Settings(Hexagon Symbol on your Kami Doorbell thumbnail)
Go to settings(under smart detection)
You can turn on Motion detection by touching the on and off toggle switch. Once it is on, it will show Activity Detection Zone and Person Detection Settings.
By selecting Activity Detection Zone settings, it will give you the option to select the areas that will be included in the Motion Detection.