Considerations and recommendations
The SHA-2 key, downloaded in the Step of Generate Merchant Keys is required for sending the information.
The merchant must add a "class" tag in its submission form to identify the submission parameters. Class=” alignet-form-vpos2”
//Define the Class tag in the Form <form name="f1" id="f1" action="#" method="post" class="alignet-form-vpos2">
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