AutoModifier

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## AutoModifier

Sets an attribute in a shopping cart entry to the field of the same name in the ProductsFile pertaining to this item.

This is useful when doing shipping calculations or other embedded Perl that is based on item attributes. To set whether an item is defined as ``heavy'' and requires truck shipment, you can do:

        AutoModifier  heavy

When an item is added to the shopping cart using MiniVend's routines, the `heavy` attribute will be set to the value of the `heavy` field in the products database. In the default demo that would be products; any changes to ProductFiles would affect that, of course.

Some values are used by MiniVend and are not legal:

            mv_mi
            mv_si
            mv_ib
            group
            code
            quantity
            item

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