Create README.md

Author: shivamvish160

Server-Side Components/Script Includes/Sends Slack/Teams notifications when specific fields change on configured tables/README.md

@@ -0,0 +1,38 @@
+#  AuditFieldChangeNotifier
+### Description
+A ServiceNow Script Include that audits changes to specific fields and sends real-time notifications to Slack or Microsoft Teams using a webhook.  
+It helps teams monitor important updates like priority or assignment changes without needing to check the platform.
+---
+### 🔧 Features
+- Monitors field-level changes on any table
+- Sends rich notifications to Slack/Teams
+- Easy to configure via system properties
+- Can be reused across multiple tables via Business Rules
+---
+### 🧩 How to Use
+1. **Create a System Property**
+  - Name: `x_custom.audit_notifier.webhook_url`
+  - Value: Your Slack or Teams webhook URL
+2. **Create a Script Include**
+  - Name: `AuditFieldChangeNotifier`
+  - Paste the provided Script Include code
+3. **Create a Business Rule**
+  - Table: e.g. `incident`
+  - When: `after update`
+  - Add this script:
+    ```js
+    (function executeRule(current, previous) {
+        var notifier = new AuditFieldChangeNotifier();
+        notifier.notifyOnFieldChange(current, previous, ['priority', 'state', 'assigned_to']);
+    })(current, previous);
+    ```
+4. **Test It**
+  - Update one of the watched fields.
+  - A message should appear in your Slack/Teams channel like:
+    ```
+    🛠️ ServiceNow — Field Update Notification
+    Record: Incident INC0010001
+    Description: Unable to access VPN
+    • priority changed from 4 - Low → 2 - High
+    • assigned_to changed from John → Alex
+    ```