create-checkout-params

record create-checkout-params {
  location-id: string,
  additional-recipients: option​<list​<charge-request-additional-recipient>>,
  ask-for-shipping-address: option​<bool>,
  idempotency-key: string,
  merchant-support-email: option​<string>,
  note: option​<string>,
  order: create-order-request,
  pre-populate-buyer-email: option​<string>,
  pre-populate-shipping-address: option​<address>,
  redirect-url: option​<string>,
}