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Before the {%ORDERAREA<n>%} tag is inserted at its corresponding placeholder tag, any general and/or merge tags are expanded. During that expansion, the following pre-defined variables are available to be used as general tags:
In the HEADER and FOOTER areas:
[%V1%] - maximum Shopping Cart line items permitted
[%V2%] = current total cost (sum of all Total line item costs)
[%V3%] = current line item count (total items in Shopping Cart)
In the REPEAT area:
[%V1%] - line item description
[%V2%] - line item quantity
[%V3%] - extended line item cost
[%V4%] - quantity HTML input name
[%V5%] - array index (of item in Shopping Cart)
[%V6%] - Checkbox input name (to be used to create a checkbox to allow selecting individual Shopping Cart items
[%V7%] - Adjusted cost (based on adjustments made via Q&A)
[%V8%] - Total line cost (extended cost + adjusted cost)
[%V9%] - individual line item cost (cost for quantity 1)