> ## Documentation Index
> Fetch the complete documentation index at: https://social-b97141fb-feat-user-history-moderation-detail.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Discovery & Engagement Overview

> SDK surfaces for feeds, search, notification tray, and discovery-driven engagement.

Discovery and engagement APIs help users find content, communities, and activity updates. Use this overview to choose between feed retrieval, intelligent search, and notification tray APIs.

<CardGroup cols={2}>
  <Card title="Feeds" href="./feed/overview" icon="rss">
    Personalized For You feed, chronological global feed, custom-ranking global feed, and per-owner feeds.
  </Card>

  <Card title="Intelligent Search" href="./search/overview" icon="search">
    Search posts and communities through SDK-supported semantic search surfaces.
  </Card>

  <Card title="Notification Tray" href="./notifications/overview" icon="bell">
    Retrieve tray items, item status, tray seen status, and notification event metadata.
  </Card>

  <Card title="Reactions & Mentions" href="../../core-concepts/content-handling/reactions" icon="heart">
    Add engagement affordances on posts, comments, stories, and other supported content.
  </Card>
</CardGroup>

## Choose The Right Surface

| Goal | Use |
| - | - |
| Give each user a personalized discovery tab | [For You Feed](./feed/for-you-feed) |
| Build a real-time, newest-first feed | [Global Feed](./feed/global-feed) |
| Surface globally what people engage with | [Custom-Ranking Global Feed](./feed/custom-ranking) |
| Search communities by meaning or keyword | [Intelligent Search Community](./search/intelligent-search-community) |
| Search posts or hashtags | [Intelligent Search Post](./search/intelligent-search-post) |
| Show notifications in-app | [Notification Items](./notifications/notification-items) |
| Track tray seen/unseen state | [Notification Tray Status](./notifications/notification-tray-status) |

<Info>
  Platform coverage varies by surface. Each linked page includes the platform-specific SDK availability and code examples for that feature.
</Info>

## Related Topics

<CardGroup cols={2}>
  <Card title="Feeds & Timelines" href="./feed/overview" icon="rss">
    Compare the For You, global, and custom-ranking feeds.
  </Card>

  <Card title="Search Overview" href="./search/overview" icon="search">
    Compare post and community search options.
  </Card>

  <Card title="Notification Overview" href="./notifications/overview" icon="bell">
    Build notification tray experiences.
  </Card>

  <Card title="Content Sharing" href="../content-management/content-sharing" icon="share">
    Share content into feeds and engagement flows.
  </Card>
</CardGroup>


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