The AWS SDK for .NET V3 has reached end-of-support.

We recommend that you migrate to [AWS SDK for .NET V4](https://docs.aws.amazon.com/sdk-for-net/v4/developer-guide/welcome.html). For additional details and information on how to migrate, please refer to our [end-of-support announcement](https://aws.amazon.com/blogs/developer/aws-sdk-for-net-v3-end-of-support-announcement/).

# Advanced authentication and authorization with the AWS SDK for .NET
<a name="advanced-auth"></a>

The topics in this section provide information about advanced techniques for authentication and authorization in your AWS SDK for .NET application.

**Topics**
+ [Single sign-on](sso.md)

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for AWS SDK for .NET. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query sdk-for-net` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).