The final step is to turn the entire script into a Marionette object.
Right-click on any node in the network, and select Wrap Marionette Network from the context menu.
Right-click on the Wrapper node and select Convert to Object Node from the context menu.
The Marionette object is created. The Object Info palette displays the available parameters; change the parameters to update the object.
You can download the final tutorial file here (internet access required).