• the creation of a use case diagram.
• the creation of a use case.
• the creation of an actor.
• the creation of a relationship.
• the creation of a package.

Creating a use case diagram

1. Click among the quick access buttons.
   • The element creation window appears: click "Architecture" then "UML".
   • The wizard for creating a UML model starts.
2. Select "Use case diagram".
3. Specify the UML model into which the diagram will be inserted.
4. Choose to edit the diagram directly.
5. Validate the creation of the use case diagram. The created model becomes the current model.

Creating a use case

1. Under "Use case diagram", in the group "Creation", click on "Use case".. A new use case element appears in the UML model.
2. Select "Description" from the popup menu (right mouse click) of the new use case. The window for specifying the use case is displayed.
3. Specify:
   • the name of the use case. This name is displayed in the UML editor.
   • the caption of the use case describing the purpose of the use case. This caption will be used in the program documentation of the UML editor.
4. Validate the description of the use case.

Creating an actor

1. Under "Use case diagram", in the "Creation" group, click on "Actor".
2. Select "Description" from the popup menu (right mouse click) of the new actor. The window for specifying the actor is displayed.
3. Specify:
   • the name of the actor. This name is displayed inside the actor element in the UML editor.
   • the caption of the actor describing the purpose of the actor.
4. Validate the description of the actor.

Create a relationship

1. Depending on the type of relationship to be created, under the "Use case diagram" section, in the "Creation" group:
   • click "Generalization" to create a generalization.
   • click "Association" to create an association.
   • click "Dependency" to create a dependency.
2. Specify the requested information.
3. Validate the description of the relationship.

Creating a package

1. On the "Use case diagram" pane, in the "Creation" group, click "Package".
2. Select "Description" from the popup menu (right mouse click) of the new package. The window for specifying the package is displayed.
3. Specify:
   • the name of the package. This name is displayed in the package in the UML editor.
   • the caption of the package describing the purpose of the package.
4. Validate the description of the package.