Primary bedroom on first floor

When entering a listing where the primary bedroom is on the first/main floor, make sure to indicate this in the Rooms table:

Doing so will allow other Matrix users to be able to search for it.

On the flip side, if you want to search for listings that have a primary bedroom on the main floor, there is a field in the center of the search screen that allows for just that:

Putting a check in the Yes box will find properties where the main/primary bedroom is on the main floor (which is generally considered to be the first floor).