Use Case Description of Dispense Cash

1 Brief Description

Coordinates the dispensation of cash from the ATM device.Extends Dispense Value when the thing of value being dispensed is cash, at the point where cash is dispensed.

2 Actors

See Conduct Transactions.

3 Pre-Conditions

See Conduct Transactions.

4 Main Flow of Events

The system counts out the correct number of bills into the dispenser tray, reduces the cash-on-hand by the amount requested, opens the dispenser door and displays the message "Please take cash from dispenser". Once cash has been taken, the system closes the dispenser drawer. The extending use case then ends.