public function getPath()
    {
        $sname = '';
        $gname = '';
        $vname = $this->getName();
        if ( $this->getConfigGroup() ) {
            if ( $this->getConfigGroup()->getConfigSection() ) {
                $sname = $this->getConfigGroup()->getConfigSection()->getName();
            }
            $gname = $this->getConfigGroup()->getName();
        }

        return sprintf(
            '%s:%s:%s',
            $sname,
            $gname,
            $vname
        );
    }