Issue #3284985: The module does not have help hook information

views_fieldsets.module

@@ -7,9 +7,31 @@
 
 use Drupal\Component\Utility\SortArray;
 use Drupal\Core\Render\Element;
+use Drupal\Core\Routing\RouteMatchInterface;
 use Drupal\views_fieldsets\Plugin\views\field\Fieldset;
 use Drupal\views_ui\ViewUI;
 
+/**
+ * Implements hook_help().
+ */
+function views_fieldsets_help($route_name, RouteMatchInterface $route_match) {
+  if ($route_name == 'help.page.views_fieldsets') {
+    $output = '<p>' . t('Creates fieldset (and details and div) in Views fields output, to group fields,
+      by adding a new field: "Global: Fieldset" and a few preprocessors. Also
+      introduces a new template: views-fieldsets-fieldset.tpl.php where you can
+      customize your fieldset output.
+      ') . '</p>';
+
+    $output .= '<h3>' . t('For a full description of the module, visit the project page:') . '</h3>';
+    $output .= t('https://www.drupal.org/project/views_fieldsets') . '<br />';
+
+    $output .= '<h3>' . t('To submit bug reports and feature suggestions, or to track changes:') . '</h3>';
+    $output .= t('https://www.drupal.org/project/issues/views_fieldsets') . '<br />';
+
+    return $output;
+  }
+}
+
 /**
  * Implements hook_theme().
  */