code: protected function checkAccess($url)
      {
          foreach ($this->modules as $module) {
              if (false === $module->handleEvent('checkAccess', [$url])) {
                  return false;
              }
          }
          return true;
      }
docs: Checks access to a given Pico URL
  
  @param string $url Pico Page url
  @return bool True if the url is accessible, false otherwise