'your access token',
'refresh_token' => 'your refresh token');
$wrap = new CS_REST_General($auth);
$result = $wrap->external_session_url(array(
'Email' => 'The email address of the Campaign Monitor user for whom the login session should be created',
'Chrome' => 'Which chrome to display - Must be either "all", "tabs", or "none"',
'Url' => 'The URL to display once logged in. e.g. "/subscribers/"',
'IntegratorID' => 'The Integrator ID. You need to contact Campaign Monitor support to get an Integrator ID.',
'ClientID' => 'The Client ID of the client which should be active once logged in to the Campaign Monitor account.'
));
echo "Result of PUT /api/v3.1/externalsession\n
";
if($result->was_successful()) {
echo "Succeeded with Code ".$result->http_status_code."\n
";
var_dump($result->response);
echo '';
} else {
echo 'Failed with code '.$result->http_status_code."\n
";
var_dump($result->response);
echo '';
}