From the Project Menu, select Add Decentralized Supervisor or from the toolbar, click
on the Add Decentralized Supervisor button .
A dialog box will popup asking for the name of the new decentralized supervisor to be added to the project. Once a name has been entered, click OK and the decentralized supervisor will be added to the project.
Before a decentralized supervisor can be modified in the Observable\Controllable Events editor, it must first be added to the project using this editor.