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Update order/product additional fields

Update order/product additional fields

Last updated: 29-Sep-2021
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Use the updateAdditionalField method to update additional fields for your account.


Parameters Type/Description


Required (string)


Session identifier, the output of the Login method. Include sessionID into all your requests. 2Checkout throws an exception if the values are incorrect.  The sessionID expires in 10 minutes.

FieldCode Required (string)

Field identifier. Alpha-numeric chars, underscores and dashes.




Additional field object.





$host   = "";
$client = new SoapClient($host . "/soap/4.0/?wsdl", array(
    'location' => $host . "/soap/4.0/",
    "stream_context" => stream_context_create(array(
        'ssl' => array(
            'verify_peer' => false,
            'verify_peer_name' => false

function hmac($key, $data)
    $b = 64; // byte length for md5
    if (strlen($key) > $b) {
        $key = pack("H*", md5($key));
    $key    = str_pad($key, $b, chr(0x00));
    $ipad   = str_pad('', $b, chr(0x36));
    $opad   = str_pad('', $b, chr(0x5c));
    $k_ipad = $key ^ $ipad;
    $k_opad = $key ^ $opad;
    return md5($k_opad . pack("H*", md5($k_ipad . $data)));

$merchantCode = "YOURCODE123"; //your account's merchant code available in the 'System settings' area of the cPanel:
$key          = "SECRET_KEY"; //your account's secret key available in the 'System settings' area of the cPanel:
$now          = gmdate('Y-m-d H:i:s'); //date_default_timezone_set('UTC')

$string = strlen($merchantCode) . $merchantCode . strlen($now) . $now;
$hash   = hmac($key, $string);

try {
    $sessionID = $client->login($merchantCode, $now, $hash);

catch (SoapFault $e) {
    echo "Authentication: " . $e->getMessage();

$AdditionalField                             = new stdClass();
$AdditionalField->Label                      = 'Do you agree with the new newsletter policy 2015?';
$AdditionalField->Type                       = 'LISTBOX';
$AdditionalField->Code                       = 'NewsletterPolicy1234576';
$AdditionalField->ApplyTo                    = 'ORDER';
$AdditionalField->Values                     = array();
$AdditionalField->Values[0]                  = 'YES';
$AdditionalField->Values[1]                  = 'NO';
$AdditionalField->ValidationRule             = null;
$AdditionalField->Translations               = array();
$AdditionalField->Translations[0]            = new stdClass();
$AdditionalField->Translations[0]->Label     = "Êtes-vous d'accord avec la politique de la newsletter?";
$AdditionalField->Translations[0]->Values    = array();
$AdditionalField->Translations[0]->Values[0] = 'Oui';
$AdditionalField->Translations[0]->Values[1] = 'Non';
$AdditionalField->Translations[0]->Language  = 'fr';
$AdditionalField->Translations[1]            = new stdClass();
$AdditionalField->Translations[1]->Label     = 'Haben Sie mit dem Newsletter Politik zu?';
$AdditionalField->Translations[1]->Values    = array();
$AdditionalField->Translations[1]->Values[0] = 'Ja';
$AdditionalField->Translations[1]->Values[1] = 'Nein';
$AdditionalField->Translations[1]->Language  = 'de';

$FieldCode = 'NewsletterPolicy1234576';

try {
    $UpdateAdditionalField = $client->updateAdditionalField($sessionID, $FieldCode, $AdditionalField);

catch (SoapFault $e) {
    echo "UpdateAdditionalField: " . $e->getMessage();

var_dump("UpdateAdditionalField", $UpdateAdditionalField);



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