情境
An online auction platform requires administrative tools to monitor listings, enforce policies, and handle cancellations. This diagram models the key oversight functions.
這張圖裡有什麼
看懂背後的決策。
01
Cancel Auction always includes violation verification (include relationship)
02
Cancellation can optionally notify bidders if the auction already received bids (extend relationship)
For systems needing role-based oversight features with policy enforcement and user communication.