1. A method for generating an auction in an internal auction system using a product catalog in a seller business information management system, comprising: selecting a product from the product catalog, wherein the product catalog is a set of data in the seller business information management system; receiving a set of product parameters from the seller business information management system as a function of the selected product; defining a set of auction parameters using an internal auction application, wherein the set of auction parameters includes at least one parameter necessary to generate the auction; and creating the auction in the internal auction system as a function of the received set of product parameters and the defined set of auction parameters.