---
title: uddiUUID
description: The value of this attribute uniquely a UDDI contact, address, or publisher assertion.
component: pingds
version: 8.1
page_id: pingds:schemaref:at-uddiUUID
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/at-uddiUUID.html
---

# uddiUUID

The value of this attribute uniquely a UDDI contact, address, or publisher assertion.

|                             |                                                                                                                                                                                                                                          |
| --------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| *OID*                       | 1.3.6.1.1.10.4.27                                                                                                                                                                                                                        |
| *Names*                     | uddiUUID                                                                                                                                                                                                                                 |
| *Description*               | unique attribute                                                                                                                                                                                                                         |
| *Syntax*                    | [DirectoryString](s-DirectoryString.html)                                                                                                                                                                                                |
| *Equality matching rule*    | [caseIgnoreMatch](mr-caseIgnoreMatch.html)                                                                                                                                                                                               |
| *Ordering matching rule*    | [caseIgnoreOrderingMatch](mr-caseIgnoreOrderingMatch.html)                                                                                                                                                                               |
| *Substring matching rule*   | [caseIgnoreSubstringsMatch](mr-caseIgnoreSubstringsMatch.html)                                                                                                                                                                           |
| *Single value*              | true                                                                                                                                                                                                                                     |
| *User modification allowed* | true                                                                                                                                                                                                                                     |
| *Usage*                     | userApplications                                                                                                                                                                                                                         |
| *Origin*                    | [RFC 4403](https://datatracker.ietf.org/doc/html/rfc4403)                                                                                                                                                                                |
| *Schema file*               | 03-uddiv3.ldif                                                                                                                                                                                                                           |
| *Used by*                   | [uddiAddress](oc-uddiAddress.html), [uddiContact](oc-uddiContact.html), [uddiPublisherAssertion](oc-uddiPublisherAssertion.html), [uddiv3EntityObituary](oc-uddiv3EntityObituary.html), [uddiv3Subscription](oc-uddiv3Subscription.html) |