protected function getAlert($namespace, $message, $title = null, $titleTag = 'h4', $isBlock = false)
    {
        $namespace = $this->classMessages[$namespace];

        $html = ($title) ? sprintf($this->titleFormat, $titleTag, $title, $titleTag) : '';
        $html .= $message . PHP_EOL;

        $alert = $this->getAlertHelper()->$namespace($html, $isBlock);

        return $alert;
    }