Creating a use case specification has three steps: 1. Create a use case model showing the use cases and actors 2. Create an overview of the steps (content) of the use case -> model based approach -activity diagrams 3. Write the use case specification UC-01 - Create User use case model System::System Administrator Screen 1: Create User 0-41 Type-in user details Activity diagram Save Validate user details Screen2: Error message Create user Screen#3: Confirmation Grant previleges Primary Actor System Administrator Trigger System administrator chooses "Create User" Pre-conditions The user must be logged-in as "System Administrator" Post-conditions If success: Use Case Create user Specifications Document A new user is created in the system The user created is granted the privileges as specified The user created is created with a unique 4 digit employee number and a default password (Homework) If failure: The system administrator is presented with an error message Commuter Ticket vending machine Bank Start Session Request Trip Info Homework Provide Trip Info Process Trip Info Provide Payment Info Request Payment Process Payment [pay with card) [pay with cash) Authorize Card Payment You have to create a Use case Specifications document as it is described in slide 4 Dispense Ticket Ticket Get Ticket (paid with cash & with change) Dispense Change Change Get Change Change TI SI Show Thank You uml-diagrams.org