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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 not transferred in the order or the value 0 is transferred, then both the parameter and the delimiter is not usedare not added to the string.

The addition order of parameters to the string

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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 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