From cbe455cb9bac5a42f07e6ee0035bd90021e4b2c7 Mon Sep 17 00:00:00 2001
From: hoangvuanduin <121915810+hoangvuanduin@users.noreply.github.com>
Date: Thu, 15 Jan 2026 15:36:39 +0700
Subject: [PATCH] Update assertFn to use custom error message

---
 src/main/java/com/dashjoin/jsonata/Functions.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/dashjoin/jsonata/Functions.java b/src/main/java/com/dashjoin/jsonata/Functions.java
index 17fb147..f66c96e 100644
--- a/src/main/java/com/dashjoin/jsonata/Functions.java
+++ b/src/main/java/com/dashjoin/jsonata/Functions.java
@@ -1891,7 +1891,7 @@ public static void error(String message) throws Throwable {
      */
     public static void assertFn(boolean condition, String message) throws Throwable {
         if(!condition) {
-            throw new JException("D3141", -1, "$assert() statement failed");
+            throw new JException("D3141", -1, message!=null ? message : "$assert() statement failed");
 //                message: message || "$assert() statement failed"
         }
     }