protected function initActions()
{
// shorthand
$formId = $this->args[0];
// find the form
$formElement = fromBrowser()->get()->elementById($formId);
// is it really a form?
if (strtolower($formElement->name()) !== 'form') {
throw new E5xx_ActionFailed('form');
}
// yes, it really is a form
$this->formId = $formId;
$this->setTopElement($formElement);
}