Create README.md

Author: shivamvish160

Server-Side Components/Script Includes/Dynamic Record Archiving/README.md

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+#  Dynamic Record Archiving Logic
+
+##  Overview
+This snippet provides a reusable logic to archive or flag records in ServiceNow that are older than a specified threshold. It helps maintain data hygiene, improve performance, and support compliance with data retention policies.
+
+You can choose between two modes:
+- **Flag Mode**: Marks records as archived using a custom field (`u_archived`).
+- **Move Mode**: Moves records to a corresponding archive table (e.g., `incident_archive`) and deletes the original.
+
+---
+
+##  Use Case
+- Archive incidents older than 1 year.
+- Clean up old tasks, requests, or custom records.
+- Automate data lifecycle management via Scheduled Jobs.
+
+---
+
+##  Parameters
+| Parameter           | Description                                                                 |
+|---------------------|-----------------------------------------------------------------------------|
+| `tableName`         | Name of the table to archive (e.g., `incident`)                             |
+| `dateField`         | Date field to filter by (e.g., `opened_at`, `created_on`)                   |
+| `archiveThresholdDays` | Number of days before today to consider for archiving (e.g., `365`)         |
+| `archiveMode`       | `'flag'` to mark records, `'move'` to transfer to archive table             |
+
+---
+
+##  Example Usage
+```javascript
+var archiver = new RecordArchiver('incident', 'opened_at', 365, 'flag');
+archiver.archiveRecords();