• how to create a use case diagram.
• how to create a use case.
• how to create an actor.
• how to create a relationship.
• how to create a package.

Creating a use case diagram

1. Click in the quick access buttons.
   • The new element window appears: click "Architecture", and then "UML".
   • The UML model creation wizard starts.
2. Select "Use case diagram".
3. Specify the UML model into which the diagram is to be inserted.
4. Choose to edit the diagram directly.
5. Validate the new use case diagram. The new model appears in the editor.

Creating a use case

1. On the "Use case diagram" tab, in the "Creation" group, click "Use case". A new use case element appears in the UML model.
2. Right-click the new use case and select "Description" in the context menu. The use case description window opens.
3. Specify:
   • the name of the use case. This name is displayed in the UML editor.
   • the caption describing the purpose of the use case. This caption will be used in the technical documentation of the UML editor.
4. Validate the description of the use case.

Creating an actor

1. On the "Use case diagram" tab, in the "Creation" group, click "Actor".
2. Right-click the new actor and select "Description" in the context menu. The actor description window opens.
3. Specify:
   • the name of the actor. This name is displayed in the actor in the UML editor.
   • the caption describing the purpose of the actor.
4. Validate the description of the actor.

Create a relationship

1. Depending on the type of relationship to create, on the "Use case diagram" tab, 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" tab, in the "Creation" group, click "Package".
2. Right-click the new package and select "Description" in the context menu. The package description window opens.
3. Specify:
   • the name of the package. This name is displayed in the package in the UML editor.
   • the caption describing the purpose of the package.
4. Validate the description of the package.