Drupal 8 Module Development - Second Edition

The route

Inside our module, we will need to create our routing file that will hold all our statically defined routes. The name of this file will be hello_world.routing.yml. By now, I assume that you understand what the deal is with the file naming conventions in a Drupal 8 module. However, in any case, this is another YAML file in which we will need to put the YAML formatted data:

hello_world.hello:  path: '/hello'  defaults:    _controller: '\Drupal\hello_world\Controller\HelloWorldController::helloWorld'    _title: 'Our first route'  requirements:    _permission: 'access content'

This is our first route definition. It starts with the route name (hello_world.hello), followed by all the necessary info about it, underneath, in a YAML-formatted multidimensional ...