/**
* {@inheritdoc}
*/
protected function defineOptions()
{
$options = parent::defineOptions();
// Set the default to TRUE so it shows on empty pages by default.
$options['empty']['default'] = TRUE;
return $options;
}
/**
* {@inheritdoc}
*/
public function buildOptionsForm(&$form, &$form_state)
{
parent::buildOptionsForm($form, $form_state);
// Add tokenization form elements.
$this->tokenForm($form, $form_state);
}