Add event for user group grid view initialization

Author: Cyperghost

wcfsetup/install/files/lib/event/gridView/admin/UserGroupGridViewInitialized.class.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace wcf\event\gridView\admin;
+
+use wcf\event\IPsr14Event;
+use wcf\system\gridView\admin\UserGroupGridView;
+
+/**
+ * Indicates that the user group grid view has been initialized.
+ *
+ * @author      Olaf Braun
+ * @copyright   2001-2025 WoltLab GmbH
+ * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @since       6.2
+ */
+final class UserGroupGridViewInitialized implements IPsr14Event
+{
+    public function __construct(public readonly UserGroupGridView $param)
+    {
+    }
+}

wcfsetup/install/files/lib/system/gridView/admin/UserGroupGridView.class.php

@@ -8,6 +8,8 @@
 use wcf\data\DatabaseObjectList;
 use wcf\data\user\group\I18nUserGroupList;
 use wcf\data\user\group\UserGroup;
+use wcf\event\gridView\admin\UserGroupGridViewInitialized;
+use wcf\event\IPsr14Event;
 use wcf\system\gridView\AbstractGridView;
 use wcf\system\gridView\filter\I18nTextFilter;
 use wcf\system\gridView\filter\NumericFilter;
@@ -137,4 +139,10 @@ protected function createObjectList(): DatabaseObjectList
 
         return $list;
     }
+
+    #[\Override]
+    protected function getInitializedEvent(): ?IPsr14Event
+    {
+        return new UserGroupGridViewInitialized($this);
+    }
 }