The Edit Extensions command allows you to manipulate the collection of use cases that extend the for the selected use case. The command opens a target window on the extended by relation from which you can add or remove use cases as desired.
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Tips and Tricks If you simply wish to extend a use case (as opposed to remove an extension), often this can be accomplished most quickly by dragging and dropping from the diagram palette - either by dragging the Use Cases construct from the Constructs tab or by dragging the specific use case to be added from the Key Entities tab. |