Method getLayoutData

/**
 * Method to get the data to be passed to the layout for rendering.
 *
 * @return  array
 *
 * @since   3.8.0
 */
protected function getLayoutData()
{
    $data = parent::getLayoutData();
    // Get the field options.
    $options = $this->getOptions();
    $extraData = array('options' => $options);
    return array_merge($data, $extraData);
}