open the confirm page and add the Universal Email create email message behavior.
in the universal email wizard, set the to address to use the eCartCheckoutForm_email session variable.
for the body of the email, click the DW Edit icon.
Add a cart display manager to the body selecting to use the Email Friendly display type.
to add additional customer info like billing and shipping address, use the other eCartCheckoutForm session variable from the binding panel.