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The string is generated from order parameters with semicolon as delimiter.

For merchants using the standard interface, the following parameters are included in the string:

Merchant _ ID;OrderNumber;OrderAmount;OrderCurrency

If the merchantuses any additional parameters, then the string is generated according to the following rules:

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	OrderMaxPoints	Maximum amount of order that can be payed by bonus points (by THANK YOU from Sberbank Bonus Program), this parameter is not used for silentpay.
2	CustomerNumber	Merchant's internal customer identification for the One Click program, this parameter is not used for silentpay.
3	Disable3DS	Flag of disabling 3-D Secure
4	Prepayment	Prepayment amount, this parameter is not used for silentpay.

Examples

1. OrderMaxPoints parameter is transferred in the order with a non-zero value. In this case, the string will look like this:

Merchant_ID;OrderNumber;OrderAmount;OrderCurrency;OrderMaxPoints

2. CustomerNumber parameter is transferred in the order with a non-zero value. In this case, the string will look like this:

Merchant_ID;OrderNumber;OrderAmount;OrderCurrency;CustomerNumber

3. OrderMaxPoints parameter is transferred in the order with a zero value and Disable3DS parameter is transferred in the order with a non-zero value. In this case, the string will look like this:

Merchant_ID;OrderNumber;OrderAmount;OrderCurrency;Disable3DS