--- /dev/null
+{% extends "base/file.php.twig" %}
+
+{% block file_path %}
+{{ entity_name }}.page.inc{% endblock %}
+{% block extra_info %}
+ *
+ * Page callback for {{ label }} entities.
+{% endblock %}
+
+{% block use_class %}
+use Drupal\Core\Render\Element;
+{% endblock %}
+
+{% block file_methods %}
+/**
+ * Prepares variables for {{ label }} templates.
+ *
+ * Default template: {{ entity_name }}.html.twig.
+ *
+ * @param array $variables
+ * An associative array containing:
+ * - elements: An associative array containing the user information and any
+ * - attributes: HTML attributes for the containing element.
+ */
+function template_preprocess_{{ entity_name | machine_name }}(array &$variables) {
+ // Fetch {{ entity_class }} Entity Object.
+ ${{ entity_name | machine_name }} = $variables['elements']['#{{ entity_name }}'];
+
+ // Helpful $content variable for templates.
+ foreach (Element::children($variables['elements']) as $key) {
+ $variables['content'][$key] = $variables['elements'][$key];
+ }
+}
+{% endblock %}