diff --git a/commons-auth-adapter/src/main/java/io/rocketbase/commons/security/CommonsPrincipal.java b/commons-auth-adapter/src/main/java/io/rocketbase/commons/security/CommonsPrincipal.java
index ea4e9c9b..580ef4d7 100644
--- a/commons-auth-adapter/src/main/java/io/rocketbase/commons/security/CommonsPrincipal.java
+++ b/commons-auth-adapter/src/main/java/io/rocketbase/commons/security/CommonsPrincipal.java
@@ -31,7 +31,7 @@ public static CommonsPrincipal getCurrent() {
      * @return the value of the given key when user is logged in and key exists<br>
      * key is stored internally in lowercase so that this function also lowers the given key...
      */
-    public String getCurrentKeyValue(String key) {
+    public static String getCurrentKeyValue(String key) {
         CommonsPrincipal current = getCurrent();
         if (current != null) {
             return current.getKeyValues() != null ? current.getKeyValues().getOrDefault(key.toLowerCase(), null) : null;
diff --git a/commons-auth-api/src/main/java/io/rocketbase/commons/dto/appuser/AppUserRead.java b/commons-auth-api/src/main/java/io/rocketbase/commons/dto/appuser/AppUserRead.java
index ea783842..bf0856a5 100644
--- a/commons-auth-api/src/main/java/io/rocketbase/commons/dto/appuser/AppUserRead.java
+++ b/commons-auth-api/src/main/java/io/rocketbase/commons/dto/appuser/AppUserRead.java
@@ -49,4 +49,11 @@ public AppUserReference toReference() {
                 .build();
     }
 
+    public boolean hasKeyValue(String key) {
+        return keyValues != null && key != null && keyValues.containsKey(key.toLowerCase());
+    }
+
+    public String getKeyValue(String key) {
+        return keyValues != null && key != null ? keyValues.getOrDefault(key.toLowerCase() , null) : null;
+    }
 }