Chris@0: /**
Chris@0:  * Implements hook_entity_view().
Chris@0:  */
Chris@0: function {{ machine_name }}_entity_view($entity, $type, $view_mode, $langcode) {
Chris@0:   $entity->content['my_additional_field'] = array(
Chris@0:     '#markup' => $additional_field,
Chris@0:     '#weight' => 10,
Chris@0:     '#theme' => 'mymodule_my_additional_field',
Chris@0:   );
Chris@0: }