The next step all depends on what you want to do. Without those commands being defined, they can't be registered, which means we can't get the plane off the ground. We're 'landed' from the start
A good place to begin if you are using Flex, is to examine how the EmployeeAdmin demo works. It shows you how do distribute data from the model tier to the view tier and how to decompose the view tier in to components that are tended by mediators. It shows a pretty standard Facade class with a straightforward startup process.
-=Cliff>