---
category: [Administration & Integrations, Platform and Product Extensions, Platform and Product Extensions/Integration, Administration & Integrations/Custom Integrations & Apps, Platform and Product Extensions/Workday Extend]
keyword: [Extend, Presentation Components, Endpoint authentication, UI components]
nav: wcp_docs
parent_url: /wcp_docs/
title: >- 
  Reference: Workday Single Sign-On
layout: subsection
---

<a id="section_sso"></a>
Use the `SSO` authentication scheme to authenticate Workday API endpoints based on the credentials from a tenant sign-in. SSO is the most common use case.

## <a id="section_obh_2yv_sfb"></a>SMD authType Attributes

<table><thead><tr><th>Attribute</th><th>Value</th></tr></thead><tbody><tr><td>id</td><td>A unique ID. Use this id in your PMDs to reference this authentication scheme.</td></tr><tr><td>scheme</td><td><code>SSO</code> (case-sensitive)</td></tr></tbody></table><br/>

## <a id="section_lc4_hyv_sfb"></a>Example

```
  "siteAuth" : {
    "authTypes" : [ 
      {
        "id" : "sso",
        "scheme" : "SSO"
      }
    ],
    "defaultId" : "sso"
  }
```

### Related Information

[Declare Authentication Types in the SMD](/wcp_docs/nyw1530545468565.html)

[Define Endpoint Authentication in the PMD](/wcp_docs/yea1530546235609.html)