I use this for my chihuahua and he took to it immediately! I just put his potty down inside, let him go a few times with the front doors open and gave him treats for using the side door. Now the doors are closed and he goes through the side by himself! 

The only downside is that the holes where you attach the magnets on the front doors were not actually drilled into, so the screws wouldn’t go in. If I didn’t have access to a drill I wouldn’t be able to get them on.