> ## 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 event-based flow covering achievements 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="Event-based achievements concepts" icon="trophy" href="/services/xbox-services/player-data/achievements/event-based/concepts/live-achievements-eb-concepts-nav">
    This section provides conceptual information about event-based achievements.
  </Card>

  <Card title="Scenarios for creating event-based" icon="lightbulb" href="/services/xbox-services/player-data/achievements/event-based/concepts/live-achievements-scenarios">
    This topic describes some common scenarios for creating achievements.
  </Card>
</CardGroup>

## See also

* [Config](/services/xbox-services/player-data/achievements/event-based/config/index)
* [How to](/services/xbox-services/player-data/achievements/event-based/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)