![]() Triggers - used to start a use case, triggers are events that initiate the steps of a scenario.Pre-conditions - the statements about what needs to happen before the use case starts.Primary actor - this is someone or something whose goals are fulfilled by the system in question, and while they don’t always start the use case, it’s fairly common for them to do so.Stakeholders - anyone with interests in the functionality and success of the system are called stakeholders, and are often indirectly involved (not users but those that benefit from how the system functions).If we take an e-commerce site as an example, actors might include buyers, credit card companies, shipping companies, and more. Actor - this is someone or something that performs a behavior or action (can be a person or an object).Use case name, description, and goal - giving a clear and concise name, description, and goal to each use case also helps organize documentation while preventing scope creep.Use case number - assigning a number to each use case helps organize your records and can be sorted in chronological order or by other criteria depending on how the developers decide to label them. ![]() ![]() These range from the identifier of the use case to who’s involved and alternative solutions: As you’re writing your use case, there are several components that should typically be included. ![]()
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