From 07552d51d47e51e236482f226a8ec0f689b197e7 Mon Sep 17 00:00:00 2001
From: Lai Wei <lai.wei@enovation.ie>
Date: Wed, 20 Oct 2021 10:54:57 +0100
Subject: [PATCH] fix bug when processing sync of preferred name field

---
 classes/feature/usersync/main.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/feature/usersync/main.php b/classes/feature/usersync/main.php
index 1190c5c4a..1a21af8ed 100644
--- a/classes/feature/usersync/main.php
+++ b/classes/feature/usersync/main.php
@@ -533,7 +533,7 @@ public static function apply_configured_fieldmap(array $aaddata, \stdClass $user
                 $user->$localfield = $usersync->get_user_roles($userobjectid);
             } else if ($remotefield == "preferredName") {
                 if (!isset($aaddata[$remotefield])) {
-                    if (stripos($user->username, '_ext_') !== false) {
+                    if (stripos($aaddata['userPrincipalName'], '_ext_') !== false) {
                         $user->$localfield = $usersync->get_preferred_name($userobjectid);
                     }
                 }