function hook_ENTITY_TYPE_form_mode_alter

Change the form mode of a specific entity type currently being displayed.

Parameters

string $form_mode: The form_mode currently displaying the entity.

\Drupal\Core\Entity\EntityInterface $entity: The entity that is being viewed.

Related topics

File

core/lib/Drupal/Core/Entity/entity.api.php, line 1923

Code

function hook_ENTITY_TYPE_form_mode_alter(string &$form_mode, \Drupal\Core\Entity\EntityInterface $entity) : void {
  // Change the form mode for nodes with 'article' bundle.
  if ($entity->bundle() == 'article') {
    $form_mode = 'custom_article_form_mode';
  }
}