情境
A customer initiates an ATM transaction, and the flowchart traces the path from card insertion through PIN verification, transaction type selection, funds availability, issuer authorization, and final card return or retention.
這張圖裡有什麼
看懂背後的決策。
01
Card read succeeds or fails
02
PIN verified by issuer
03
Transaction type selected
04
Sufficient funds for withdrawal/transfer
05
Card returned vs. retained after repeated PIN failures
Use for documenting or redesigning ATM transaction processing flows involving card networks, issuers, and acquirers.