Creating combined fragments

In Unified Modeling Language (UML) sequence diagrams, you can create combined fragments to visually represent constructs, such as options, alternatives, loops, in interactions.

You must have a sequence diagram with lifelines open in the diagram editor.
To create a combined fragment, in the Palette, click a combined fragment type and complete one of the following steps:
Note: You can exclude specific lifelines from the combined fragment regardless of their order in the interaction frame by clearing them from selection in the Add Covered Lifeline window.
Related concepts
Combined fragments
Interaction operators
Related tasks
Adding and removing covered lifelines to and 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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