> ## Documentation Index
> Fetch the complete documentation index at: https://auth0.com/llms.txt
> Use this file to discover all available pages before exploring further.

> Explore a variety of examples of implementations using Actions.

# Action Use Cases

The following is a list of Actions for implementing a variety of functionality in Auth0.

## Access Control

* [Allow access only on weekdays for a specific application](https://auth0.com/docs/manage-users/access-control/sample-use-cases-actions-with-authorization.md#allow-access-only-on-weekdays-for-a-specific-application)
* [Allow access only to users who are inside the corporate network](https://auth0.com/docs/manage-users/access-control/sample-use-cases-actions-with-authorization.md#allow-access-only-to-users-who-are-inside-the-corporate-network)
* [Only allow users with specific email addresses to log in](https://auth0.com/docs/customize/actions/explore-triggers/post-login.md#access-control)

## API Authorization

* [Add user roles to tokens](https://auth0.com/docs/manage-users/access-control/sample-use-cases-actions-with-authorization.md#add-user-roles-to-tokens)
* [Add a user's email address to the Access Token](https://auth0.com/docs/get-started/architecture-scenarios/mobile-api/api-implementation-nodejs.md#4-determine-the-user-identity)
* [Deny access to anyone calling an API](https://auth0.com/docs/manage-users/access-control/sample-use-cases-actions-with-authorization.md#deny-access-to-anyone-calling-an-api)
* [Add custom claims to a token](https://auth0.com/docs/get-started/apis/scopes/sample-use-cases-scopes-and-claims.md#add-custom-claims-to-a-token)

## Compliance

* [Update user profile metadata with user consent choice and redirect users to a consent page hosted by a third party](https://auth0.com/docs/secure/data-privacy-and-compliance/gdpr/gdpr-track-consent-with-lock.md)
* [Enable Strong Customer Authentication (SCA) and dynamically link operation details to authorize a sensitive transaction](https://auth0.com/docs/secure/highly-regulated-identity/transactional-authorization-with-authorization-code-flow.md)

## Multifactor

* [Require Multi-factor Authentication for users who are outside the corporate network](https://auth0.com/docs/customize/actions/explore-triggers/post-login.md#enforce-custom-mfa-policy)

## User Profile and Identity

* [Set a default user picture](https://auth0.com/docs/manage-users/user-accounts/change-user-picture.md#change-default-picture-for-all-users)
* [Retrieve user preferences from an external source and add to the user identity](https://auth0.com/docs/actions/reference/pre-user-registration/pre-user-registration-event-object.md#store-a-user-id-from-another-system-in-the-user-profile)