How Can I use EZDrummer in Audition CS6?

Hello, I´m Trying to use Toontrack´s EZDrummer in AU, in AU 3 I only add a Midi track and after that I select DFHSampler (EZDrummer) in a Piano Roll, but I can´t do this in AU CS6, How Can I use EZDrummer? is a Virtual Studio Instrument (VSTi)