private static function preApprovalNotification($preApprovalCode)
{
$credentials = PagSeguroConfig::getAccountCredentials();
try {
$preApproval = PagSeguroNotificationService::checkPreApproval($credentials, $preApprovalCode);
// Do something with $preApproval
} catch (PagSeguroServiceException $e) {
die($e->getMessage());
}
}