> For the complete documentation index, see [llms.txt](https://documentation.immuta.com/saas/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.immuta.com/saas/configuration/people/users-index.md).

# Immuta Users

Learn about user permissions and personas in Immuta

Immuta policies are dynamic and change for the user accessing data. Every user accessing policy-protected data must exist in Immuta, regardless of if they will interact with the Immuta UI.

## How-to guides

* [Managing users and permissions](/saas/configuration/people/users-index/how-to-guides/managing-personas-and-permissions.md): Add, edit, and delete the permissions on your Immuta users.
* [Manage attributes and groups](/saas/configuration/people/users-index/how-to-guides/managing-attribute-and-group.md): Add, edit, and delete user's attributes and groups.
* [Map user IDs](/saas/configuration/people/users-index/how-to-guides/external-user-mapping.md): Ensure policies and audit work correctly by mapping the user's ID from the integration to Immuta.
* [Configure an external user info endpoint](/saas/configuration/people/section-contents/reference-guides/custom-external.md): Configure your IAM in Immuta to retrieve users' groups and attributes from an external HTTP endpoint.

## Reference guides

* [Personas and permissions](/saas/configuration/people/users-index/reference-guides/personas-and-permissions.md): This reference guide describes Immuta's permissions and the user personas that they apply to.
* [Attributes and groups](/saas/configuration/people/users-index/reference-guides/attribute-and-group-overview.md): This reference guide describes attributes and groups in Immuta.


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