/**
* Respond to entity deletion of a particular type.
*
* This hook runs once the entity has been deleted from the storage.
*
* @param \Drupal\Core\Entity\EntityInterface $entity
* The entity object for the entity that has been deleted.
*
* @ingroup entity_crud
* @see hook_entity_delete()
*/
function hook_ENTITY_TYPE_delete(Drupal\Core\Entity\EntityInterface $entity)
{
// Delete the entity's entry from a fictional table of all entities.
db_delete('example_entity')->condition('type', $entity->getEntityTypeId())->condition('id', $entity->id())->execute();
}
