Set an external reference

Use the setExternalRef method in conjunction with setSubscriptionUpgrade.

Request parameters

Parameter	Type / Description
sessionID	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.
externalRef	Required (string) External reference you control.

Request sample

<?php

require ('PATH_TO_AUTH');

$externalReference = 'YOUR_EXTERNAL_REFERENCE';

$jsonRpcRequest = array (
    'method' => 'setExternalRef',
    'params' => array($sessionID, $externalReference),
    'id' => $i++,
    'jsonrpc' => '2.0'
);

var_dump (callRPC((Object)$jsonRpcRequest, $host, true));

Response parameters

Type	Description
Boolean	true or false depending on whether or not the operation succeeded.