Adding lifelines to combined fragments

In Unified Modeling Language (UML) sequence diagrams, you can add covered lifelines to combined fragments to visually represent constructs in interaction instances.

You must have a sequence diagram with lifelines and combined fragments open in the diagram editor.
To add covered lifelines to a combined fragment:
  1. In the diagram editor, right-click a combined fragment; then click Covered Lifelines > Add Covered Lifeline(s).
  2. In the Add Covered Lifelines window, click the lifelines to cover and click OK.

Parent topic: Developing combined fragments

Related concepts
Combined fragments
Lifelines

Related tasks
Creating combined fragments
Removing covered lifelines from combined fragments
Adding interaction operands to combined fragments
Removing interaction operands from combined fragments
Moving interaction operands within combined fragments
Resizing interaction fragments
Adding guard conditions to interaction operands

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