• how to create a sequence diagram.
• how to create an object.
• how to add an activation period to an object.
• how to create a message.
• how to create a package.

Creating a sequence 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 "Sequence 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 sequence diagram. The new model appears in the editor.

Creating an object

1. On the "Sequence diagram" tab, in the "Creation" group, click "Object". A new object appears in the UML model.
2. Right-click the new object and select "Description" in the context menu. The description window opens.
3. Specify:
   • the type of the object.
   • the name of the object. This name is displayed in the UML editor.
   • the class of the object.
   • the stereotype of the object.
   • whether the lifeline of the object is to be displayed.
4. Validate the object description.

Adding an activation period to an object

1. Select the object to which the activation period is to be added.
2. On the "Sequence diagram" tab, in the "Creation" group, click "Activation period". A new activation period appears in the UML model.

Creating a message

1. On the "Sequence diagram" tab, in the "Creation" group, click "Message".
2. Select the different elements to link. The description window opens.
3. Specify:
   • the type of the message.
   • the name of the message. This name is displayed in the UML editor.
4. Validate the description of the message.

Creating a package

1. On the "Sequence diagram" tab, in the "Creation" group, click "Package". A new package appears in the UML model.
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.
   • the relationships of the package.
4. Validate the description of the package.