Do you want to know how to add a node alias in a twig file?  Rather than do the set up in a custom module or using your theme file. To be able to create a node alias in a twig file you need to know the node.nid value.  Obviously without it you have nothing to reference from.  In this example, the node.nid value is extracted during a loop.  A fairly standard loop such as {% for row in rows %} // ... script doing some magic ... // {% endfor %}Begin by setting the nid value...

How to get the current user or load a user using a uid value. $current_user = \Drupal::currentUser(); $user = \Drupal\user\Entity\User::load($current_user->id());or just use $user = \Drupal\user\Entity\User::load(\Drupal::currentUser()->id());An example of this in action /** * Change the display of the user's name. * * @param int $uid * User id. * * @return string * User name. */ function change_users_name($uid) { // status of the current user $logged_in =...