Falcon_Handler_Postmark::register_option_fields PHP Метод

    public static function register_option_fields($group, $section, $options)
    {
        self::$current_options = $options;
        add_settings_field('bbsub_postmark_apikey', __('Postmark API Key', 'falcon'), array(__CLASS__, 'field_apikey'), $group, $section);
    }