These are typically represented by stick figures, or another shape that may better represent an external system. UML use case shapesĮxternal actors are users (or external processes) that interact with your system. UML use case diagrams are not used for scheduling or broad planning purposes as they are highly technical and specific, but instead function as the foundation for a system’s technical documentation.Įach goal or task that a user wants to achieve with your system or program is a separate use case diagram.
These diagrams are used to establish your system requirements, whether that be a software system or an interaction with another person or team.Ĭustomer updates their account - open this use case diagram in our diagram viewer UML use case diagrams show all of the ways an end-user interacts with your systems, with all of its pre- and post-conditions, exceptions and alternate paths.
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