def method(self, quote_id, payment_data, store_view=None):
        """
        Allows you to set a payment method for a shopping cart (quote).

        :param quote_id: Shopping cart ID (quote ID)
        :param payment_data, dict of payment details, example
            {
                'po_number': '',
                'method': 'checkmo',
                'cc_cid': '',
                'cc_owner': '',
                'cc_number': '',
                'cc_type': '',
                'cc_exp_year': '',
                'cc_exp_month': ''
            }
        :param store_view: Store view ID or code
        :return: boolean, True on success
        """
        return bool(
            self.call('cart_payment.method',
                [quote_id, payment_data, store_view])
        )
Allows you to set a payment method for a shopping cart (quote).

        :param quote_id: Shopping cart ID (quote ID)
        :param payment_data, dict of payment details, example
            {
                'po_number': '',
                'method': 'checkmo',
                'cc_cid': '',
                'cc_owner': '',
                'cc_number': '',
                'cc_type': '',
                'cc_exp_year': '',
                'cc_exp_month': ''
            }
        :param store_view: Store view ID or code
        :return: boolean, True on success