From 9a1a069644109610c18d4de2dd1ca48dcb130e51 Mon Sep 17 00:00:00 2001
From: Robin Rainton <robin@rainton.com>
Date: Tue, 27 Dec 2022 18:43:53 +0100
Subject: [PATCH] #10 Slight clean up. Forget about serialNumber.

---
 main.js | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/main.js b/main.js
index e792c51..9805fb9 100644
--- a/main.js
+++ b/main.js
@@ -166,7 +166,7 @@ class HikvisionAlarmserver extends utils.Adapter {
         }
 
         // Channel name is optional
-        const channelName = this.config.useChannels && xml.EventNotificationAlert.hasOwnProperty('channelName') ?
+        const channelName = this.config.useChannels && xml.EventNotificationAlert?.channelName ?
             xml.EventNotificationAlert.channelName[0] : null;
 
         // Strip colons from ID to be consistent with net-tools
@@ -191,12 +191,9 @@ class HikvisionAlarmserver extends utils.Adapter {
                 mac: macAddress
             };
             // Add optional parts
-            if (xml.EventNotificationAlert.hasOwnProperty('ipAddress')) {
+            if (xml.EventNotificationAlert?.ipAddress) {
                 native.ipAddress = xml.EventNotificationAlert.ipAddress[0];
             }
-            if (xml.EventNotificationAlert.hasOwnProperty('serialNumber')) {
-                native.serialNumber = xml.EventNotificationAlert.serialNumber[0];
-            }
             await this.setObjectNotExistsAsync(device, {
                 type: 'device',
                 common: {