stacks-8.x-1.x-dev/modules/stacks_example_code_grids/stacks_example_code_grids.routing.yml

custom_code_grid.cfeed:
  path: '/examples/code/contentfeed'
  defaults:
    _controller: '\Drupal\stacks_example_code_grids\Controller\ContentFeedController::displayGrid'
    _title: 'Custom Code Grid: Dynamic'
  requirements:
    _permission: 'access content'