# Update order reseller information

Use this method to update the reseller information defined for a specific order.

## Request parameters

| Parameter      | Type / Description                                                                                                                                                                                                                      |
| -------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `sessionID`    | <p><strong>Required (string)</strong><br>Session identifier, which is the output of the <strong>Login</strong> method. An exception will be thrown if the values are incorrect.</p>                                                     |
| `PartnerCode`  | <p><strong>Required (string)</strong><br>Unique identifier that you need to specify when creating a partner in the Control Panel. You can find it under the <strong>General Information</strong> area when editing partner details.</p> |
| `ResellerCode` | <p><strong>Required (string)</strong><br>Unique, system generated reseller identifier.</p>                                                                                                                                              |
| `OrderRefNo`   | <p><strong>Required (string)</strong><br>The unique, system-generated identifier of a partner order.</p>                                                                                                                                |

### Request sample

```php
<?php

declare(strict_types=1);

class Configuration
{
    public const MERCHANT_CODE = 'MERCHANT';
    public const MERCHANT_KEY = 'SECRET_KEY';
    public const URL = 'https://api.2checkout.com/soap/6.0';
    public const ACTION = 'updateOrderReseller';
    //array or JSON
    public const PAYLOAD = <<<JSON
{
    "PartnerCode": "Test Avangate",
    "ResellerCode": "DB6F1A946E",
    "OrderRefNo": 731522351
}
JSON;

}
class Client
{
    public function call(
        string $url = Configuration::URL,
        $payload = Configuration::PAYLOAD,
        string $action = Configuration::ACTION
    ): ?object {
        if (is_array($payload)) {
            $payload = json_encode($payload);
        }
        if (!empty($payload)) {
            // SoapClient works with objects(StdClass)
            $payload = json_decode($payload);
        }
        $soapClient = $this->getClient($url);
        $sessionId = $this->getSession($soapClient);
        $args = array_filter([$sessionId, $payload]);
        return $soapClient->$action(...$args);
    }

    public function getClient(string $url): SoapClient
    {
        return new SoapClient(
            $url.'?wsdl',
            [
                'location' => $url,
                'cache_wsdl' => WSDL_CACHE_NONE,
            ]
        );
    }

    public function getSession(SoapClient $client)
    {
        $date = gmdate('Y-m-d H:i:s');
        $merchantCode = Configuration::MERCHANT_CODE;
        $key = Configuration::MERCHANT_KEY;
        $string = strlen($merchantCode).$merchantCode.strlen($date).$date;
        $algo = 'sha256';
        $hash = hash_hmac($algo, $string, $key);
        $client->__setCookie('XDEBUG_SESSION', 'PHPSTORM');
        return $client->login($merchantCode, $date, $hash, $algo);
    }
}
try {
    $client = new Client();
    var_dump($client->call());
} catch (Exception $ex) {
    var_dump($ex);
}
```

## Errors

| Error                                        | Description                     |
| -------------------------------------------- | ------------------------------- |
| **Missing required parameter: PartnerCode**  | Add the PartnerCode parameter.  |
| **Missing required parameter: ResellerCode** | Add the ResellerCode parameter. |
| **Missing required parameter: OrderRefNo**   | Add the OrderRefNo parameter.   |
| **INVALID\_ID\_SALE**                        | Invalid order reference.        |


---

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```
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