diff --git a/docs/getting-started/event-log/set-validation.mdx b/docs/getting-started/event-log/set-validation.mdx
index b9d0146a2256d7aa386e3defe25010046cdebe02..164c491503d095a33d0303eb21b6986aef1e2789 100644
--- a/docs/getting-started/event-log/set-validation.mdx
+++ b/docs/getting-started/event-log/set-validation.mdx
@@ -145,6 +145,12 @@ Diese kann im Fehlerfall die Fehler sammeln oder direkt eine Exception werfen.
 
   }
 
+  private static void validateTrueOrElseThrow(boolean expression, String msg) {
+        if (!expression) {
+            throw new RuntimeException(msg);
+        }
+  }
+
   
 ```