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

# Concepts

> Reference and concepts for real-time activity (RTA) in the XBOX Game Development Kit (XBOX Services). Includes concepts and API guidance.

Explore concepts topics for XBOX game development.

> [card] [Registering for player stat change](https://docs.xbox.com/services/xbox-services/fundamentals/rta/concepts/live-register-for-stat-notifications.md)
>
> This topic describes using the Real-Time Activity (RTA) service to register for player stat change notifications.

> [card] [Best practices for the rta service](https://docs.xbox.com/services/xbox-services/fundamentals/rta/concepts/live-rta-best-practices.md)
>
> Use this topic to make the most out of the Real-Time Activity (RTA) service for your title.

> [card] [Real-time activity (rta) service](https://docs.xbox.com/services/xbox-services/fundamentals/rta/concepts/live-rta-concepts-nav.md)
>
> Registering for player stat change notifications Describes using the Real-Time Activity (RTA) service to register for player stat change…

## See also

* [How to](https://docs.xbox.com/services/xbox-services/fundamentals/rta/how-to/index.md)


## Related topics

- [Concepts](https://docs.xbox.com/services/xbox-services/multiplayer/invites/concepts/index.md)