I'm trying to look for a way to modify the markup for a form element without touching the default theme/template. Upon checking the source code, Drupal does not seem to recommend any theme suggestions for editing form elements. I have multiple views using the same field on the exposed filter. If I try to edit the form-element-label.html.twig it will affect all of the elements with the same field.

<!-- THEME DEBUG -->
<!-- THEME HOOK: 'form_element_label' -->
<!-- BEGIN OUTPUT from 'themes/iom/templates/layout/form-element-label.html.twig' -->
<label for="edit-field-themes-target-id" class="label">Themes</label>
<!-- END OUTPUT from 'themes/iom/templates/layout/form-element-label.html.twig' -->

1 Answer 1


Seems you have to implement two hooks. One to add the suggestion, and one to define a template. hook_theme_suggestions_HOOK_alter and template_preprocess_form_element (aka hook_preprocess_HOOK).

 * Implementation of hook_theme_suggestions_form_element_alter().
function MYTHEME_theme_suggestions_form_element_alter(array &$suggestions, array $variables) {
  if (\Drupal::service('path.current')->getPath() == '/user/login') {
    $suggestions[] = $variables['theme_hook_original'] . '--user-login';

 * Implementation of hook_preprocess_form_element().
function MYTHEME_preprocess_form_element(&$variables, $hook, &$info) {
  $info['template'] = 'form-element--user-login';

Source: Form element template suggestion has no effect.

  • Hello, apologies for my ignorance. Lets say I have a view with an exposed filter. Is it possible to only target the form elements of a specific view? I'm trying to understand the answer you have suggested. Still new with drupal hooks. Let's say I want to create a theme suggestion for a form-element that has a label and select element
    – clestcruz
    Sep 5, 2018 at 14:07
  • @clestcruz – You have to wrap the code inside the hooks with some if conditions to fire only according your logic. Check what's inside $variables, maybe there's something you can identify your view with. As last resort you can also check the current URL.
    – leymannx
    Sep 5, 2018 at 14:33

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