UML Modeling Techniques > Class modeling > Creating class modeling items > Creating a ternary role
  
Creating a ternary role
You can create a Ternary Role only through a Class Diagram.
To create a ternary role through a class diagram:
1. On the Class Diagram toolbar, click the Association button.
2. Click the Ternary Association, and then click the appropriate Class, Data Type, Interface or Signal.
Modeler creates a Ternary Role.