Hello everyone how are you?

I created a new configEntity called Modal with 3 fields:

  1. Label
  2. Body
  3. Auto Open

To create a new Modal I'm using this code:

$modal = \Drupal::entityTypeManager()->getStorage('modal')->create();

$modal->setLabel('Modal Title');
$modal->setBody('Modal Content');

OK! It works!

But now I don't want to pass "auto-open" and I this value with TRUE as default. Like this:

$modal = \Drupal::entityTypeManager()->getStorage('modal')->create();
$modal->setLabel('Modal Title');
$modal->setBody('Modal Content');

Note that there is no "Auto-Open" and it inserts a new Modal with "auto-open" = FALSE

My goal is; if you don't pass "auto-open" this field is filled with TRUE by default.

Do you know how can we do this? 🤔

Thank you so much, everyone


For entities in general, set default values by adding preCreate() to your entity class:

   * {@inheritdoc}
  public static function preCreate(EntityStorageInterface $storage_controller, array &$values) {
    parent::preCreate($storage_controller, $values);
    $values += [
      'auto_open' => TRUE,

In this specific case, define a class property with the same name as the field, which defaults to TRUE:

   * Auto Open.
   * @var bool
  protected $auto_open = TRUE;
  • And that it gets set to FALSE as in the OP when omitted is because it's a Boolean and it simply is the default for Booleans? – leymannx Nov 9 '20 at 15:52
  • 1
    @leymannx, I did answer to the question title in general, for all entities. But I'm now seeing what you are referring to. In the linked code example of a config entity class the properties look a bit weird. Camel case for snake cased fields and without default, so initializing as NULL. So there are two reasons the boolean probably doesn't start with FALSE. – 4k4 Nov 9 '20 at 17:09

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