Date: 30 May, 2001; Author: Shane Sendall (LGL-DI-EPFL)

Scope: Bank Accounts and Transactions System

Level: User Goal

Intention in Context: The intention of the Client is to withdraw from his/her account. Clients do not interact with the System directly; instead, for this use case, a client interacts via a Non-Web Mediator, Non-Web Mediator for short (which can be a Teller, or an ATM).

Primary Actor: Client

Precondition: The Client has already identified him/herself.

Main Success Scenario:

1. Client requests Non-Web Mediator to withdraw a sum of money from his/her account.

2. Non-Web Mediator requests System to withdraw money, providing withdraw transaction details^*.

3. System validates that the Client's account has sufficient funds available,
debits the account by the amount,
records the details of the transaction,
and informs Non-Web Mediator to dispense the requested amount of money.

Extensions:

2a. Client requests Non-Web Mediator to cancel withdrawal: the use case ends in failure.

3a. System ascertains that Client does not have sufficient funds for the withdrawal (BR-2).

3a.1. System informs Non-Web Mediator; use case ends in failure.

3b. System ascertains that it was given incorrect information:

3c. System ascertains that it was given insufficient information to make the withdrawal:

Notes:

^* a hyperlink to the document that contains data details and formats.