---
title: dSA
description: Represents a Directory Specific Agent, the part of a directory service that provides user agents access to directory data.
component: pingds
version: 8.1
page_id: pingds:schemaref:oc-dSA
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/oc-dSA.html
---

# dSA

Represents a Directory Specific Agent, the part of a directory service that provides user agents access to directory data.

|                       |                                                                                                                                                                                                                                            |
| --------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| *OID*                 | 2.5.6.13                                                                                                                                                                                                                                   |
| *Names*               | dSA                                                                                                                                                                                                                                        |
| *Superior classes*    | [applicationEntity](oc-applicationEntity.html)                                                                                                                                                                                             |
| *Class type*          | STRUCTURAL: for structural specification of the DIT. Entries have only one structural object class superclass chain.                                                                                                                       |
| *Required attributes* | [cn](at-cn.html), [objectClass](at-objectClass.html), [presentationAddress](at-presentationAddress.html)                                                                                                                                   |
| *Optional attributes* | [description](at-description.html), [knowledgeInformation](at-knowledgeInformation.html), [l](at-l.html), [o](at-o.html), [ou](at-ou.html), [seeAlso](at-seeAlso.html), [supportedApplicationContext](at-supportedApplicationContext.html) |
| *Origin*              | [RFC 2256](https://datatracker.ietf.org/doc/html/rfc2256)                                                                                                                                                                                  |
| *Schema file*         | 00-core.ldif                                                                                                                                                                                                                               |
