Sequences UML Diagrams
A Sequences UML Diagram presents the associations between all the entities that inherit from a commonly used set of base classes. Typically these are sequence or scenario data types.
To create a Sequences UML Diagram use the New Diagram toolbar button and select Sequences UML Diagram from the menu.
You can tune the default set of base classes and filters from menu Window > Preferences > DVT > Diagrams > UML Diagrams > Sequences.