The next step is creating use-case narratives to document the business requirements. Why is preparation of the narratives generally done in a two-step process, and what are these two steps?

Based upon the preceding high-level use-case model diagram, create an expanded narrative, using Figure 6-13 as an example.

Data from Figure 6-13

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Alternate Courses: Conclusion: Postcondition: Business Rules: 1 Alt-Step 2: The club member has not provided all the information necessary to process the order. The club member is notified of the discrepancy and prompted to resubmit. Implementation Constraints and Specifications: Assumptions: Open Issues: Alt-Step 3: If the club member information provided is different from what was previously recorded, verify what was recorded is current, then update the club member information accordingly. Alt-Step 4: If the product information the club member provided does not match any of SoundStage's products, notify the club member of the discrepancy and request clarification. Alt-Step 5: If the quantity ordered of the product is not available, a back order is created. Alt-Step 9: If the payment the club member provided (credit card) cannot be validated, notify the club member and request an alternative means of payment. If the club member cannot provide an alternate means, cancel the order and terminate the use case. This use case concludes when the club member receives a confirmation of the order. The order has been recorded and if the ordered products were available, they were released. For any 6 product not available a back order has been created. The club member responding to a promotion or a member using credits may affect the price of each ordered item. Alt-Step 8: If the status of the club member's account is not in good standing, record the order information and place it in hold status. Notify the club member of the account status and the reason the order is being held. Terminate use case. Cash or checks will not be accepted with the orders. If provided, they will be returned to the club member. The club member is billed for products only when they are shipped. GUI to be provided for Member Services associate, and Web screen to be provided for club member. Procurement will be notified of back orders by a daily report (separate use case). 1. Need to determine how distribution centers are assigned. 10 FIGURE 6-13 Concluded