Adding and removing covered lifelines in sequence diagrams

In sequence diagrams, you can add and remove lifelines from combined fragments or interaction uses.

Before you begin

You must have a sequence diagram open that contains lifelines and combined fragments or interaction uses.

About this task

To add or remove lifelines to or from a combined fragment or interaction use:

Procedure

  1. In the diagram editor, right-click a combined fragment or interaction use; then click Covered Lifelines and complete one of the following steps:
    • To add lifelines, click Add Covered Lifeline(s).
    • To remove lifelines, click Remove Covered Lifeline(s).
  2. In the window, select the lifelines and click OK.

What to do next

Note: When you remove a covered lifeline from a combined fragment, you also delete all the messages and interaction fragments that the combined fragment contains and that the lifeline covers.

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