Similar to how you can reference a user or a node, I would like to reference a custom entity:

      $fields['department_id'] = BaseFieldDefinition::create('entity_reference')
      ->setDescription(t('Select the department for this business.'))
        'target_type' => 'department_register'
      ->setSetting('handler', 'default')
      ->setDisplayOptions('view', [
        'label' => 'inline',
        'type' => 'department',
        'weight' => -10,
      ->setDisplayOptions('form', [
        'type' => 'entity_reference_autocomplete',
        'settings' => [
          'match_operator' => 'CONTAINS',
          'match_limit' => 10,
          'size' => 60,
          'placeholder' => ''
        'weight' => -10,
      ->setDisplayConfigurable('form', TRUE)
      ->setDisplayConfigurable('view', TRUE);

Where 'target_type' => 'department_register' is my custom department entity

I'm stuck in how to connect my department entity. How can I setup the right plugin configuration for my autocomplete form field which should be able to select the name of the department?

  • You haven't asked a question, or clearly identified a problem. Please review your post, and try to narrow down one or both of those two things.
    – Jaypan
    Commented Aug 9, 2022 at 2:46
  • Where 'target_type' => 'business_register' is my custom business entity - Shouldn't that be your department entity?
    – 4uk4
    Commented Aug 9, 2022 at 7:19
  • I've updated my code with the right entity name. The question is at the bottom. Thanks Commented Aug 9, 2022 at 10:59

1 Answer 1


Not using bundles, entity_reference_autocomplete needs to know which field to use for it's autocomplete functionality, so did you add the:

"label" = "name",

to your business_register(target entity) entity_keys={...} ? (in the annotations) Where 'name' is the target column. (label = title when using bundles)

  • 1
    Great! works, thank you so much Commented Aug 19, 2022 at 16:09

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