# File lib/active_merchant/billing/gateways/authorize_net.rb, line 103
      def purchase(money, creditcard, options = {})
        post = {}
        add_invoice(post, options)
        add_creditcard(post, creditcard)
        add_address(post, options)
        add_customer_data(post, options)
        add_duplicate_window(post)

        commit('AUTH_CAPTURE', money, post)
      end