# forum.barazo.topic.post

> Published by [barazo.forum](https://lexicon.garden/identity/did:plc:7brt3r7rokkjqc4wjgeovnyx)

✓ This is the authoritative definition for this NSID.

## Description

A forum topic post with title, content, community attribution, and optional tags and content labels.

## Links

- [View on Lexicon Garden](https://lexicon.garden/lexicon/did:plc:7brt3r7rokkjqc4wjgeovnyx/forum.barazo.topic.post)
- [Documentation](https://lexicon.garden/lexicon/did:plc:7brt3r7rokkjqc4wjgeovnyx/forum.barazo.topic.post/docs)
- [Examples](https://lexicon.garden/lexicon/did:plc:7brt3r7rokkjqc4wjgeovnyx/forum.barazo.topic.post/examples)

## Definitions

### `forum.barazo.topic.post`

**Type**: `record`

Record containing a forum topic post.

**Key**: `tid`

| Property | Type | Required | Description |
|----------|------|----------|-------------|
| `site` | `string` | No | Reference to a site.standard.publication record (at:// URI) or publication URL (https://). Enables cross-app content discovery. |
| `tags` | `array` | No | Topic tags. Lowercase alphanumeric + hyphens. |
| `langs` | `array` | No | BCP 47 language tags indicating the primary language(s) of the content. |
| `title` | `string` | Yes | Topic title. |
| `facets` | `array` | No | Annotations of text (mentions, URLs, hashtags, etc). |
| `labels` | `union` | No | Self-label values for content maturity (e.g., sexual, nudity, graphic-media). |
| `content` | `union` | Yes | Post body content. Open union for extensible content formats. |
| `category` | `string` (record-key) | Yes | Category record key (slug) within the community. Follows AT Protocol record key syntax. |
| `community` | `string` (did) | Yes | DID of the community where this record was created. Immutable origin identifier for cross-community attribution. |
| `publishedAt` | `string` (datetime) | Yes | Client-declared timestamp when this post was originally published. |

## Raw Schema

```json
{
  "id": "forum.barazo.topic.post",
  "defs": {
    "main": {
      "key": "tid",
      "type": "record",
      "record": {
        "type": "object",
        "required": [
          "title",
          "content",
          "community",
          "category",
          "publishedAt"
        ],
        "properties": {
          "site": {
            "type": "string",
            "maxLength": 5000,
            "description": "Reference to a site.standard.publication record (at:// URI) or publication URL (https://). Enables cross-app content discovery."
          },
          "tags": {
            "type": "array",
            "items": {
              "type": "string",
              "maxLength": 300,
              "minLength": 1,
              "maxGraphemes": 30
            },
            "maxLength": 25,
            "description": "Topic tags. Lowercase alphanumeric + hyphens."
          },
          "langs": {
            "type": "array",
            "items": {
              "type": "string",
              "format": "language"
            },
            "maxLength": 3,
            "description": "BCP 47 language tags indicating the primary language(s) of the content."
          },
          "title": {
            "type": "string",
            "maxLength": 2000,
            "minLength": 1,
            "description": "Topic title.",
            "maxGraphemes": 200
          },
          "facets": {
            "type": "array",
            "items": {
              "ref": "app.bsky.richtext.facet",
              "type": "ref"
            },
            "description": "Annotations of text (mentions, URLs, hashtags, etc)."
          },
          "labels": {
            "refs": [
              "com.atproto.label.defs#selfLabels"
            ],
            "type": "union",
            "description": "Self-label values for content maturity (e.g., sexual, nudity, graphic-media)."
          },
          "content": {
            "refs": [
              "forum.barazo.richtext#markdown"
            ],
            "type": "union",
            "description": "Post body content. Open union for extensible content formats."
          },
          "category": {
            "type": "string",
            "format": "record-key",
            "maxLength": 640,
            "description": "Category record key (slug) within the community. Follows AT Protocol record key syntax.",
            "maxGraphemes": 64
          },
          "community": {
            "type": "string",
            "format": "did",
            "description": "DID of the community where this record was created. Immutable origin identifier for cross-community attribution."
          },
          "publishedAt": {
            "type": "string",
            "format": "datetime",
            "description": "Client-declared timestamp when this post was originally published."
          }
        }
      },
      "description": "Record containing a forum topic post."
    }
  },
  "$type": "com.atproto.lexicon.schema",
  "lexicon": 1,
  "description": "A forum topic post with title, content, community attribution, and optional tags and content labels."
}
```