# File lib/active_merchant/billing/gateways/beanstream_interac.rb, line 25
      def purchase(money, options = {})
        post = {}
        add_amount(post, money)
        add_invoice(post, options)
        add_address(post, options)
        add_interac_details(post, options)
        add_transaction_type(post, :purchase)
        commit(post)
      end