---
title: modifyTimestamp
description: For entries updated over protocol (by an LDAP modify request, for example), this operational attribute reflects the time the entry was last modified.
component: pingds
version: 8.1
page_id: pingds:schemaref:at-modifyTimestamp
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/at-modifyTimestamp.html
---

# modifyTimestamp

For entries updated over protocol (by an LDAP modify request, for example), this operational attribute reflects the time the entry was last modified.

|                             |                                                                      |
| --------------------------- | -------------------------------------------------------------------- |
| *OID*                       | 2.5.18.2                                                             |
| *Names*                     | modifyTimestamp                                                      |
| *Syntax*                    | [GeneralizedTime](s-GeneralizedTime.html)                            |
| *Equality matching rule*    | [generalizedTimeMatch](mr-generalizedTimeMatch.html)                 |
| *Ordering matching rule*    | [generalizedTimeOrderingMatch](mr-generalizedTimeOrderingMatch.html) |
| *Substring matching rule*   | [caseIgnoreSubstringsMatch](mr-caseIgnoreSubstringsMatch.html)       |
| *Single value*              | true                                                                 |
| *User modification allowed* | false                                                                |
| *Usage*                     | directoryOperation                                                   |
| *Origin*                    | [RFC 4512](https://datatracker.ietf.org/doc/html/rfc4512)            |
| *Schema file*               | 00-core.ldif                                                         |