How to create a link that uses a route?

Question

I am trying to add a link to a taxonomy landing page, like this

$breadcrumbs->addLink(Link::createFromRoute($term_name,"/taxonomy/term/$tid"));

but I get the following error : Symfony\Component\Routing\Exception\RouteNotFoundException: Route "/taxonomy/term/2041" does not exist. in Drupal\Core\Routing\RouteProvider->getRouteByName() (line 187 of C:\drupaldevsites\pup-dev\docroot\core\lib\Drupal\Core\Routing\RouteProvider.php).

Answer 1

The argument has to be a route name.

Try:

$breadcrumbs->addLink(Link::createFromRoute($term_name, "entity.taxonomy_term.canonical", ["taxonomy_term" => $tid]));

See the docs for this method.

Answer 2

Get the route name using :

dump(\Drupal::routeMatch()->getRouteName());

then use that route name :

$myBreadcrumbs [] = Link::createFromRoute('News Centre', 'ROUTE_NAME');