Many organizations especially those utilizing

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Use Case Name: Capture Symptoms Precondition: Patient Contacted Facility Standard Path: Doctor Requests Patient Health Records System Displays Health Records Doctor Meets with Patient to Determine Symptoms Patient Describes Symptoms doctor Add Symptoms to Patient Health Record System prepares Symptom View for Physician Postcondition: Patient Symptom List Available to Physician Alternate Path: Patient has no health record Physician requests new Patient View System displays new Patient View Physician fetches Patient Personal Data Resume Criterion , Alternate, and Exception paths provide structure to use cases.


Three types of paths exist in use cases, which also make them unique when considering use cases and user stories: standard paths (sometimes called happy paths), multiple alternative or alternative paths ( Different ways Belgium Email List to achieve different goals (same result) and exception paths (what happens when something goes wrong). An exception path does not lead to a successful end of the use case, which means that the required postcondition was not met. Use-case models visualize interactions with actors A use-case model typically includes a use-case diagram describing the actors and use cases involved in a complex process, as well as a textual description of each step in the various paths. Here's an oversimplified example of our chosen scenario.



Use Cases Provide Additional Context Where Needed Since User Stories are specific to the needs of a single role (e.g. website visitor, claims processor, sales agent, etc.), without context, They can be difficult to understand.  offshore developers, find it beneficial to provide a use case model that shows the context of a set of user stories. Each path through a use case has the potential to generate one or more user stories. It's not uncommon to represent each step in the path as a user story with all the components above. Note: Our course, Lean-Agile Business Analysis: Writing Business Use Cases, details use cases in the current software development process.