---
title: CSN (Change Sequence Number)
description: OID
component: pingds
version: 8.1
page_id: pingds:schemaref:s-CSN(ChangeSequenceNumber)
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/s-CSN(ChangeSequenceNumber).html
---

# CSN (Change Sequence Number)

|                     |                                           |
| ------------------- | ----------------------------------------- |
| *OID*               | 1.3.6.1.4.1.36733.2.1.3.9                 |
| *Description*       | CSN (Change Sequence Number)              |
| *Substitute syntax* | [DirectoryString](s-DirectoryString.html) |
| *Origin*            | OpenDJ Directory Server                   |
| *Schema file*       | 02-config.ldif                            |