![]() ![]() It’s a good place to ask questions too :-). Of course, if you think I’ve missed a critical point or a commonly followed standard make sure to mention it in the comments. Do take those into consideration when creating your use case diagram. For example you might have a company standard for naming objects. However, there could be plenty more use case guidelines depending on the circumstance. I have covered some of the most common use case diagram guidelines you should follow when creating use case diagrams. Give meaningful and descriptive names to these objects.Use them sparingly and only when necessary.They are also great storyboard tools for user meetings. Actor and use case relationship don’t show arrows.Ĭheck out the link to learn more about use case diagram relationships. The system The actors (those who interact with the system) The use cases (what the actors can do) Advantages of Using a Use Case Diagram Software Use Case diagrams are used to identify the primary elements and processes that form the system.Both > and > are shown as dashed arrows.Arrow points to the included use case when using >.> can have optional extension conditions.Arrow points to the base use case when using >.Place inheriting actors below the parent actor – This is to make it more readable and to quickly highlight the use cases specific for that actor.įew things to consider when drawing use cases Relationships. ![]() Actors don’t interact with other actors – In case actors interact within a system you need to create a new use case diagram with the system in the previous diagram represented as an actor. ![]()
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