...

Or second, you can go to the Buildings menu, choose your building from the list in the side bar and you will be directed to this view:

 Image Modified

Where the upper number on the left side refers to the floor name showing in the map (eg. "K2") and the value below is the z level (eg. "-2").

...

Only in case you are using IndoorAtlas in combination with Cisco CMX, then you also need to set up a LIPI Server. This is explained in the tutorial  HOW TO INSTALL THE NEW AND IMPROVED LIPILIPI for CMX Installation Guide.

Step 7: Testing in MazeMap app

...