Extract Url & Title from link field in Drupal 8?

Question

I\'m trying to retrieve the URL and the Title values of a Link field in Drupal 8.

In my custom controller, I retrieve the nodes with:<

Answer 1

After rendering a block if you want to access the link field used in it then you can use like this $render['field_target_url']['#items']->uri inside node preprocess hook.