[ic] donation of arbitrary value

[Mike Heins]

Quoting David Sheth (david@bmcinteractive.com):
> Hi,
> 
> I build stores for non-profit orgs, and would like to switch to minivend.
> However, the non-profits all need a way for a person to make a donation of
> an arbitrary amount sometime during the checkout process.  What they don't
> want is for a person to have to choose from a list of predetermined donation
> amounts to add to their cart.  I suppose that I could take a customer's
> arbitrary donation amount and then on the fly create an item in the database
> that is priced at that amount, and then add it to their cart.  Are there
> other, possibly better/more elegant solutions?
> 

Use the latest interchange and emulate the gift_cert item.

The basic idea is to use FractionalItems Yes, and make the amount
you enter the quantity for a 1 dollar (dinero, etc.) item.

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