The Expansion Region and Expansion Nodes can be drawn in the Activity diagram.

You can create those elements using the diagram palette:

  • The Expansion Region button.
    The Expansion Region button
  • The Input and Output Expansion Nodes are located under the Object Node button group.
    The Input and Output Expansion Node buttons

To display Expansion Nodes on the Expansion Region border:


  1. Select the Expansion Region shape of the Expansion Nodes you want to display.
  2. Perform one of the following steps:
    - From the shortcut menu, select Display > Display Expansion Nodes.
    - On the diagram toolbar, click Display and select Display Expansion Nodes.