1 entity_example.module entity_example_entity_info()

Implements hook_entity_info().

This is the fundamental description of the entity.

It provides a single entity with a single bundle and without revision support.

Related topics


modules/examples/entity_example/entity_example.module, line 27
Implements the basic functionality required to create and display an entity.


function entity_example_entity_info() {
  $info['entity_example_basic'] = array(
    // A human readable label to identify our entity.
    'label' => t('Example Basic Entity'),

    // A human readable bundle label.
    'bundle label' => t('Type'),

    // (Required) The entity class for our Entity, extending the core Backdrop
    // Entity class.
    'entity class' => 'EntityExampleBasic',

    // The controller for our Entity, extending the Backdrop core controller.
    'controller class' => 'EntityExampleBasicController',

    // The table for this entity defined in hook_schema()
    'base table' => 'entity_example_basic',

    // Returns the uri elements of an entity.
    'uri callback' => 'entity_example_basic_uri',

    // IF fieldable == FALSE, we can't attach fields.
    'fieldable' => TRUE,

    // entity_keys tells the controller what database fields are used for key
    // functions. It is not required if we don't have bundles or revisions.
    // Here we do not support a revision, so that entity key is omitted.
    'entity keys' => array(
      // The 'id' (basic_id here) is the unique id.
      'id' => 'basic_id',
      // Bundle will be determined by the 'bundle_type' field.
      'bundle' => 'bundle_type',
      'label' => 'item_description',
    'bundle keys' => array(
      'bundle' => 'bundle_type',

    // FALSE disables caching. Caching functionality is handled by Backdrop core.
    'static cache' => TRUE,

    // Bundles are alternative groups of fields or configuration
    // associated with a base entity type.
    'bundles' => array(
      'first_example_bundle' => array(
        'label' => 'First example bundle',
        // 'admin' key is used by the Field UI to provide field and
        // display UI pages.
        'admin' => array(
          'path' => 'admin/structure/entity_example_basic/manage',
          'access arguments' => array('administer entity_example_basic entities'),
    // View modes allow entities to be displayed differently based on context.
    // As a demonstration we'll support "Tweaky", but we could have and support
    // multiple display modes.
    'view modes' => array(
      'tweaky' => array(
        'label' => t('Tweaky'),
        'custom settings' => FALSE,

  return $info;