情境
The system allows a trip organizer to create a trip, invite members, and propose/vote on activities. Members can split expenses, view itinerary, and book accommodations with payment processing.
這張圖裡有什麼
看懂背後的決策。
01
Modeled expense splitting as include and extend to show mandatory and conditional behavior
02
Used external payment gateway actor for secure payment processing
Reusable for any collaborative planning app involving user interactions and external services.