These are the output variables delivered to the merchant’s CallbackURL after the transaction has been processed. These variables will be delivered as query string variables on the URL.
| Variable Name | Data Type | Max Length | Comments |
| HashDigest |
A |
– |
Ahashed string that contains all the variables passed and also data that is not passed but is known to both sides – namely the PreSharedKey and the
gateway account password. (see section below) |
| MerchantID |
A |
15 |
The merchant ID that was used to process the transaction |
| CrossReference |
A |
– |
The unique CrossReference of the transaction |
| OrderID |
A |
– |
The unique OrderID of the transaction |