Adding interaction operands to combined fragments

In Unified Modeling Language (UML) sequence diagrams, an interaction operand is a container that groups interactions. You can add new interaction operands to combined fragments or add additional interaction operands to combined fragment types that allow multiple operands, such as alternative, parallel, strict, or weak combined fragments .

You must have a sequence diagram with lifelines and combined fragments open in the diagram editor.
To add an interaction operand to a combined fragment, in the diagram editor, right-click a combined fragment; then complete one of the following steps:
Related concepts
Combined fragments
Interaction operands
Related tasks
Creating combined fragments
Adding and removing covered lifelines to and from 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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