SSD INTERACTION DIAGRAM: Customer Payment Scenario

Draw the interaction diagram according to the flow of events below:

• Customer can access the site by main page.
• Customer can pay the credit card using credit card payment form page
• Customer can write amount and detail of credit card using card payment form page.
• The system shall check if the user is authenticated or not (The process will run until its confirmed by the system).
• The system shall check if the user have sufficient balance.

Guidelines:

• Determine messages (origin and destination of objects).
• Identify classes (objects) that will be affected by each message.
• Identify components of each message (iteration, True/False, parameters etc.).

DIAGRAM