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