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Given that a Dutch auction has a quantity of items, what happens with EndItem and a Dutch auction? Does it end one item in the 'stack' or does it end the whole auction?
A Dutch auction is an auction that features a quantity of items greater than one. Using the EndItem API call for a Dutch auction ends the entire auction, not just a single item in the stack. If you list a Dutch auction with a quantity of '5', a single EndItem call will end the auction for the entire quantity. Instead, the ReviseItem API call can be used to modify the quantity of a Dutch auction. Doing that is simple: