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I'm using a custom theme for our Drupal 8 based website, for breadcrumbs I'm using the easy breadcrumbs module.

We have a custom module where the nodes are generated in a custom block dynamically.

Below is the current structure in the module.routing.yml file

testmodule.res:
  path: '/subject/{node}' 
  defaults: 
    _controller: '\Drupal\testmodule\Controller\resController::res' 
    _title: ''
  requirements: 
    _permission: 'access content'

In the path - /subject/{node} the node contains a subject name belonging to a group, for instance resources group subject contain - Physics, Math and Chemistry.

The node in the path /random/{node} will contain the subject name

The breadcrumb pattern will be home>>subject>>Math

But I'm unable to find a way to display the subject name as the last breadcrumb. Do let me know what can be done

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    You can use a _title_callback to generate a dynamic title for a route rather than setting to ''. This is documented in the top answer to "How do I set the page title?". I think that may resolve your issue.
    – sonfd
    Feb 3, 2021 at 17:38
  • 1
    Does this answer your question? How do I set the page title?
    – leymannx
    Feb 3, 2021 at 18:54
  • @sonfd, the solution is very confusing to me as I'm a beginner into Drupal development, for _title_callback should I include the the php code in the routing file?I need to set page title for each subject name
    – Jake13
    Feb 4, 2021 at 5:23

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