From a0b4fc83726e647cfc2a6f6db2a529675d10785b Mon Sep 17 00:00:00 2001
From: Ben Hardill <hardillb@gmail.com>
Date: Tue, 8 Oct 2024 13:58:29 +0100
Subject: [PATCH] Convert to string

---
 .../node_modules/@node-red/nodes/core/network/10-mqtt.js  | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/node_modules/@node-red/nodes/core/network/10-mqtt.js b/packages/node_modules/@node-red/nodes/core/network/10-mqtt.js
index bc6f9644d..2b4968483 100644
--- a/packages/node_modules/@node-red/nodes/core/network/10-mqtt.js
+++ b/packages/node_modules/@node-red/nodes/core/network/10-mqtt.js
@@ -161,9 +161,13 @@ module.exports = function(RED) {
                 if(typeof val === "string") {
                     count++;
                     _clone[key] = val;
-                } else if (typeof val === "number") {
+                } else {
                     count++;
-                    _clone[key] = val.toString();
+                    try {
+                        _clone[key] = JSON.stringify(val)
+                    } catch  (err) {
+                        console.log('MQTT v5 Property value can not be converted to a String')
+                    }
                 }
             });
             if(count) properties.userProperties = _clone;