AuthorizeNet / sdk-ruby

    #

    #   response = transaction.refund(10.0, '123456789', '1212')

    #

    def refund(amount, transaction, credit_card)

      handle_payment_argument(credit_card)

      handle_transaction_argument(transaction)

      set_fields(amount: amount)

      self.type = Type::CREDIT

      run

    end

    # Sets up and submits a refund (CREDIT) transaction for a transaction that was not originally

    # submitted via the payment gateway. Note that this is a special feature which requires your

    #

    #   response = transaction.prior_auth_capture('123456789')

    #

    def prior_auth_capture(transaction, amount = nil)

      handle_transaction_argument(transaction)

      set_fields(amount: amount)

      self.type = Type::PRIOR_AUTHORIZATION_AND_CAPTURE

      run

    end

    #:enddoc:

    protected