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I made a view, with a contextual filter in the user id. The fields are:

  • Name

  • uid

  • Email.

    [ { "username": "pruthiswebar", "id": "8" } ]

If I am logged, I can see the email, if I go to anonymous user, I can´t. There is not a permission for "show user email" or something? How can I configure this?

  • The anonymous User does not have an email address. So you are not able to see the email address. Probably I do not understand your question. What do you want to do? And where in the process? – btemperli Mar 28 '18 at 6:32
  • i want to show authenticated users. – ValRob Mar 28 '18 at 20:03
  • To whom? To everybody who is calling the REST-service? – btemperli Mar 28 '18 at 22:10
  • I think there is no permission to show user data to anonymous user. Normally the user data (except id and username) is only visible to the user itself or user with admin permission. – btemperli Mar 28 '18 at 22:13
  • @btemperli yes... to everybody – ValRob Mar 29 '18 at 14:18
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To add informations to the view, which are not displaying of whatever reasons - you can hook into the view and "print" the informations manually.

Step 1 Create a custom module (https://www.drupal.org/docs/8/creating-custom-modules) I'm not sure, but probably you can add the preprocess in the MYTHEME.theme-File. Then you do not need your own module for this.

Step 2 Add the preprocess hook (https://api.drupal.org/api/drupal/core%21modules%21views%21views.theme.inc/function/template_preprocess_views_view/8.5.x)

MYMODULE_preprocess_view(&$variables) {
    // Todo: check if the view is the view you want to add the user email.
    $user_id = 1; // Change for other users.
    $user = Drupal::entityTypeManager()->getStorage('user')->load($user_id);
    $variables['users'][$user_id] = $user;
}

Step 3 In the twig-template of the view you can add the userdata (https://api.drupal.org/api/drupal/core%21modules%21views%21views.theme.inc/group/views_templates/8.5.x)

{{ dump(users) }}     {# for the user array. #}
{{ dump(users[1]) }}  {# for the user with the id 1 #}

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