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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 the delimiter is not used.
The addition order of parameters to the string