Adding Subject Elements within a Use Case Collaboration

Within a use case collaboration element, you can only insert one subject element.

To insert a subject element within a use case collaboration element:

1. Click the Subject button on the diagram toolbar.




2. Click inside the use case collaboration element.




3. Resize the use case collaboration by dragging the corner of the element to the desired size. The element grows or shrinks in the direction of the cursor.

Alternatively, use the context menu of the use case collaboration element to insert the subject element.