public function ajaxAction()
{
$options = (isset($this->widgetConfiguration['option1']) ? '"' . $this->widgetConfiguration['option1'] . '"' : '""') . ', ';
$options .= (isset($this->widgetConfiguration['option2']) ? '"' . $this->widgetConfiguration['option2'] . '"' : '""') . '';
return sprintf('SomeAjaxController::ajaxAction(%s)', $options);
}