Because this tutorial is only focused on the stormwater runoff at the catchment outlet, we will build the model on the Schematic view, instead of Map view. Users can use Schematic view if they are interested in the relationship and connection of objects, instead of their physicals locations on the map.
Go to the Home toolbar and click the Options button. In the General tab, set the window as below.
In the GIS tab, set the window as below.