I have Multi-site setup , want to make available custom page say '/speakers' on domain1 site but not on domain2 site

I have tried to figured out in routing.yml file to check is there way to pass any variable in route where I can define that route should available for specific domain only, even I tried with the alter routes approach as well but no luck.

Note: Both sites has same custom module installed.

  • Does this mean each site has the same custom module installed that provides the route? If so the question is missing that information.
    – cilefen
    Oct 12, 2023 at 11:16
  • Yes , both sites has same custom module installed, updated that missing info. Oct 12, 2023 at 11:41
  • One solution is not to install the module on some sites. Another is to define the route dynamically in PHP.
    – cilefen
    Oct 12, 2023 at 11:56
  • Yet another is to have the route controller return a 404 base on the request domain.
    – cilefen
    Oct 12, 2023 at 12:00
  • Thanks a lot, I used kind of similar approach in which removed the route conditionally by using alter routes() Oct 20, 2023 at 15:45

1 Answer 1


Just for record purpose, posting answer:

I used alter routes() approach in which used remove function w.r.t to domain condition:


Created: module_name.services.yml (root of custom module)

    class: Drupal\module_name\Routing\RouteSubscriber
      - { name: event_subscriber }  

Created: RouteSubscriber.php (module_name\src\Routing)

  namespace Drupal\module_name\Routing;
  use Drupal\Core\Routing\RouteSubscriberBase;
  use Symfony\Component\Routing\RouteCollection;

  class RouteSubscriber extends RouteSubscriberBase {
    protected function alterRoutes(RouteCollection $collection) {
      $domain = \Drupal::request()->getHost();
      // check domain
      if($domain == 'domain_name'){
        if ($collection->get('route_name')) {
          // remove route conditionally


Info: I Choose this particular approach becoz I need to enabled same module for both sites

To get more info related to routes, visit to this documentation link on official site of DRUPAL

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