For requirements gathering and high-level stakeholder engagement, expressing how a customer will engage with a product or system is critical. A use case model diagram depicts who the product’s consumers are, how they will interact and engage, and what the product does. But what precisely is a use case, and why is it significant for project managers? Use cases are typically used to simplify down complicated ideas in a software development environment, but they may also be useful for gathering requirements and determining a project’s scope in project management. Learn more on how to construct a use case and how to utilize a use case model tool to establish important project needs.

10+ Use Case Samples

A use case is a description of a user’s interactions with a system or product. A use case can define success and failure scenarios, as well as any essential variants or exceptions. With the aid of a use case model tool, a use case could be written or visualized. Use cases are important for project managers to understand since they aid in the communication of strategy to stakeholders and fill the gap between business justification and technical needs. Stakeholders and the project team can learn who the client is, how the client will interact with the product, and what the scope gap and project needs are by creating a use case for this application.

1. Use Case Template

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2. Sample Use Case

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3. Simple Use Case

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4. Use Case Example

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5. Use Case Scenario

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6. Basic Use Case

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7. Project Use Case Template

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8. Professional Use Case

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9. Use Case Format

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10. Use Case Diagram

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11. Printable Use Case

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Writing Use Case for a Project

A use case can be a useful piece of project documentation when delivered in textual form. Use cases are a typical requirement artifact that can help technical and business parties communicate more effectively.

The use case might be as extensive or as basic as needed, depending on the intended audience and system under consideration. The following are some critical components that should be established and identified in a use case document:

  1. The product, service, or software under consideration is referred to as a system.
  2. Actors: An actor is a person or anything else that interacts with the system and displays behavior. Other system, a piece of hardware, or an overall organization could be the actor.There are four categories of actors: a system under consideration, an internal actor, a lead actor, and a secondary actor. The latter two systems are the most usually mentioned. The engagement with the system is initiated by a primary actor, while a secondary actor may give a service to the system.
  3. “A scenario is a specific sequence of activities and interactions between actors and the system under consideration; it is often referred to as a use case instance,” according to Larman in “Applying UML and Patterns.”
  4. Use case: The success and failure situations that can occur when the actor(s) engage with the system are outlined in a use case. The main success scenario, i.e. the most ideal outcome between the actor and the system, would be established in this part. You’d also define the alternative pathways, which describe what occurs if something goes wrong.

FAQs

What are the benefits of use cases?

Use cases are valuable because they serve to describe how the system should act while also helping to discuss what can go wrong. They present a set of objectives, which may be used to calculate the system’s cost and complexity. After that, project teams can discuss which functions become requirements and are built.

What is a use case model?

A use case model is a visual representation of how an actor and a system interact. Use case models, as PMI points out, portray processes, which aids in the expression of preconditions and triggers.

What is a use case diagram?

A use case diagram is just another name for a use case model. A use case model diagram depicts the relationship between a user and a system using text and shapes.

If you want to see more samples and formats, check out some use case samples and templates provided in the article for your reference.

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