vads_cust_id
| Description | Buyer ID on the merchant side.
Note: Depending on the payment method, certain restrictions can change the format. This is the case for FacilyPay and Oney payments for which 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. |