![]() When you click on " Create a New Actor", the editor expands and allows you to enter the name and description for the new Actor.Ĭlick OK to place the Actor on the diagram. You can choose an existing Actor from this list or you can create a new Actor. In the Unified Modeling Language (UML), a use case diagram can summarize the details of your systems users (also known as actors) and their interactions. The application displays a window that lists all existing Actors in the Repository. Use case diagrams are set of actions (use cases) that some system or systems should or can perform in collaboration with one or more external users of the. Click on Add Use Case Diagram.Ĭlick on the Actor icon on the toolbar and then drag the cursor on the diagram to draw an Actor shape. A use case is drawn as a horizontal ellipse on a UML use case diagram. Open Repository Explorer and click on the Use Case Diagrams header node. A use case describes a sequence of actions that provide a measurable value to an actor. Companies build use cases to establish success scenarios, failure scenarios, and any important variants or exceptions. To draw a Use Case Diagram, follow these steps: What does a use case diagram look like How to write a use case Use case template Use case example What is a use case A use case is a description of how a user interacts with a system or product. Using TopTeam, you can represent the system under development using one or more Use Case Diagrams, with each diagram focusing on a different functional area of the system. In this context, a 'system' is something being developed or operated, such as a web site. Use cases are a set of actions, services, and functions that the system needs to perform. ![]() Use case diagrams model the functionality of a system using actors and use cases. Use Case Diagrams show how Actors interact (or communicate) with the system via Use Cases they also also show how the Use Cases interact with each other. A use case diagram is a dynamic or behavior diagram in UML. Use Case Diagrams can be effectively used to communicate the high level functionality of the system to the stakeholders in a concise and easy-to-understand visual format.
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