From cb5648082b9a4c728ff76df0d29ee96c91807707 Mon Sep 17 00:00:00 2001
From: Riedler <git@riedler.wien>
Date: Tue, 17 Dec 2024 17:04:27 +0100
Subject: [PATCH] fixed: type in get_all_users function

---
 lbplanner/services/user/get_all_users.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lbplanner/services/user/get_all_users.php b/lbplanner/services/user/get_all_users.php
index 5235f75..5df4bc2 100644
--- a/lbplanner/services/user/get_all_users.php
+++ b/lbplanner/services/user/get_all_users.php
@@ -53,7 +53,7 @@ public static function get_all_users_parameters(): external_function_parameters
      * @throws dml_exception
      * @throws invalid_parameter_exception
      */
-    public static function get_all_users(string $vintage): array {
+    public static function get_all_users(?string $vintage): array {
         global $DB, $USER;
 
         self::validate_parameters(self::get_all_users_parameters(), ['vintage' => $vintage]);