> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.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.

<CardGroup cols={2}>
  <Card title="Registering for player stat change" icon="chart-line" href="/services/xbox-services/fundamentals/rta/concepts/live-register-for-stat-notifications">
    This topic describes using the Real-Time Activity (RTA) service to register for player stat change notifications.
  </Card>

  <Card title="Best practices for the rta service" icon="lightbulb" href="/services/xbox-services/fundamentals/rta/concepts/live-rta-best-practices">
    Use this topic to make the most out of the Real-Time Activity (RTA) service for your title.
  </Card>

  <Card title="Real-time activity (rta) service" icon="lightbulb" href="/services/xbox-services/fundamentals/rta/concepts/live-rta-concepts-nav">
    Registering for player stat change notifications Describes using the Real-Time Activity (RTA) service to register for player stat change…
  </Card>
</CardGroup>

## See also

* [How to](/services/xbox-services/fundamentals/rta/how-to/index)


## Related topics

- [Concepts](/services/xbox-services/multiplayer/invites/concepts/index.md)
- [Matchmaking concepts](/services/xbox-services/multiplayer/matchmaking/concepts/live-matchmaking-concepts-nav.md)
- [Multiplayer concepts](/services/xbox-services/multiplayer/concepts/live-multiplayer-concepts-nav.md)
- [Reputation concepts](/services/xbox-services/community/reputation/concepts/live-reputation-concepts-nav.md)
- [Invites concepts](/services/xbox-services/multiplayer/invites/concepts/live-invites-concepts-nav.md)