vads_cust_id
| Description | Buyer ID on the merchant side. Depending on the payment method, certain restrictions can change the format. Please see the technical documentation specific to the payment method for more details. For Oney payments, the field is mandatory and the format is an..8. Input and output field, returned in the response (IPN and Return URL). |
| Format | an..63 |
| Error code | 16 |
| Category | Buyer details. |