paymentMethod constant
paymentMethod [Expects: http://schema.org/PaymentMethod, http://schema.org/Text]
The name of the credit card or other method of payment for the order.
Can be used on: http://schema.org/Invoice, http://schema.org/Order
Implementation
static const paymentMethod = IriTerm.prevalidated(
'http://schema.org/paymentMethod',
);