Use Case Event Flow Documentations

• ....
• Select course to teach:
  • Preconditions:
  • Main Flow:
    • If the activity selected is ADD, then S-1: Add a Course Offering sub-flow is performed.
    • ...
  • Sub-flows:
    • S-1: Add a Course Offering ...
    • S-2: ...
  • Alternative Flows:
    • E-1: An invalid lecturer ID number is entered. The user can re-enter a lecturer id number or terminate the use case.
    • E-2: ...
  • ....