public function renderToolSiteModalAddAction() 
    {
        // declare the Tool service that we will be using to completely create our tool.
        $melisTool = $this->getServiceLocator()->get('MelisCoreTool');
    
        // tell the Tool what configuration in the app.tool.php that will be used.
        $melisTool->setMelisToolKey(self::TOOL_INDEX, self::TOOL_KEY);
    
        $view = new ViewModel();
    
        $view->setVariable('meliscms_site_tool_creation_form', $melisTool->getForm('meliscms_site_tool_creation_form'));
    
        return $view;
    }