public function getNamedParam(string $category, string $key)
    {
        $params = $this->getNamedParams($category);
        return $params[$key] ?? '';
    }
public function getNamedParam(string $category, string $key)
    {
        $params = $this->getNamedParams($category);
        return $params[$key] ?? '';
    }
public function getNamedParam ( string $ category , string $ key ) { $ params = $ this -> getNamedParams ( $ category ) ; return $ params [ $ key ] ?? '' ; }
Return named parameter

@param string $category
@param string $key

@return mixed
Return named parameter