Practice $1)$

Draw a sequence diagram for an Withdraw Money based on the following scenario and main Objects:

User $/$ Customer $/$ Cardholder

ATM System

Cash Dispenser

Card Controller

Bank

Account

Ideal Main Flow of Events:

User arrives at the ATM machine and inserts a bank card.

The card is verified by the Card Controller.

The issuing bank is contacted to verify its validity.

The ATM system issues pin request to user.

User enters pin number.

ATM system verifies account with issuing bank.

ATM system prompts for service.

User request withdrawal with amount indicated.

Withdrawal request forwarded to issuing bank.

ATM system indicates successful withdrawal.

ATM system ejects card and dispense cash.