public function execute()
{
parent::execute();
// get some data
$modulesThatRequireAkismet = BackendExtensionsModel::getModulesThatRequireAkismet();
$modulesThatRequireGoogleMaps = BackendExtensionsModel::getModulesThatRequireGoogleMaps();
// set properties
$this->needsAkismet = !empty($modulesThatRequireAkismet);
$this->needsGoogleMaps = !empty($modulesThatRequireGoogleMaps);
$this->loadForm();
$this->validateForm();
$this->parse();
$this->display();
}