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- fields are added to the main string through the delimiter in the order specified in the table below;
- fields are included in the string only if they are transferred in the order and have nonzero values;
- if the parameter is not transferred in the order or the value 0 is transferred, then both the parameter and the delimiter are not added to the string.
The addition order of parameters to the string
Addition order | Parameter name | Description |
1 | CustomerNumber | Merchant's internal customer identification for the One Click program, this parameter is not used for silentpay. |
| 2 | Disable3DS | Flag of disabling 3-D Secure |
3 | Prepayment | Prepayment amount, this parameter is not used for silentpay. |