Schema ID
https://gobl.org/draft-0/pay/instructions#/$defs/DirectDebit
Properties
| Title | Property | Type | Req. | Description | 
|---|---|---|---|---|
| Mandate Reference | ref | string | Unique identifier assigned by the payee for referencing the direct debit. | |
| Creditor ID | creditor | string | Unique banking reference that identifies the payee or seller assigned by the bank. | |
| Account | account | string | Account identifier to be debited by the direct debit. |