# Immuta Users

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.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://documentation.immuta.com/saas/configuration/people/users-index.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.