Creating specific fields according to your requirements

The merchant can transmit specific information in the payment form. For example, the merchant can add information in the payment confirmation e-mail that he or she will receive.

This information will be visible in the Back Office, in transaction details (Extras tab), and will also be returned in the notification URL.

The name must begin with vads_ext_info to be taken into account.


  • name

    Allows to define the name of the field.

  • value

    Allows to define the value of the field.

There are no restrictions to the number of specific fields that can be created.

These fields will be returned in the response and will include the value transmitted in the form.


<form method="POST" action="">
<input type="hidden" name="vads_ext_info_Arrival_Date" value="22/07/2020" />
<input type="hidden" name="vads_ext_info_Departure_Date" value="24/07/2020" />
<input type="hidden" name="vads_ext_info_Nb_Adults" value="1" />
<input type="hidden" name="vads_ext_info_Nb_Child" value="" />
<input type="submit" name="pay" value="Pay"/>