/**
* Get transaction description.
*
* The REST API does not currently have support for passing an invoice number
* or transaction ID.
*
* @return string
*/
public function getDescription()
{
$id = $this->getTransactionId();
$desc = parent::getDescription();
if (empty($id)) {
return $desc;
} elseif (empty($desc)) {
return $id;
} else {
return "{$id} : {$desc}";
}
}
