The instance ID (machine name).
The ID consists of 3 parts: the entity type, bundle and the field name.
Example: node.article.body, user.user.field_main_image.
Type: string
File
- drupal/core/modules/field/lib/Drupal/field/Plugin/Core/Entity/FieldInstance.php, line 45
- Contains \Drupal\field\Plugin\Core\Entity\FieldInstance.
Class
- FieldInstance
- Defines the Field instance entity.
Namespace
Drupal\field\Plugin\Core\Entity
Code
public $id;