| Key | key | cbc.Key | true | The payment means expected or that have been arranged to be used to make the payment. | 
| Detail | detail | string |  | Optional text description of the payment method | 
| Reference | ref | cbc.Code |  | Remittance information or concept, a code value used to link the payment with the invoice. | 
| Credit Transfer | credit_transfer | array of pay.CreditTransfer |  | Instructions for sending payment via a bank transfer. | 
| Card | card | pay.Card |  | Details of the payment that will be made via a credit or debit card. | 
| Direct Debit | direct_debit | pay.DirectDebit |  | A group of terms that can be used by the customer or payer to consolidate direct debit payments. | 
| Online | online | array of pay.Online |  | Array of online payment options | 
| Notes | notes | string |  | Any additional instructions that may be required to make the payment. | 
| Extensions | ext | tax.Extensions |  | Extension key-pairs values defined by a tax regime. | 
| Meta | meta | cbc.Meta |  | Non-structured additional data that may be useful. |