# com.imlunahey.leaderboard.marker

> Published by [imlunahey.com](https://lexicon.garden/identity/did:plc:k6acu4chiwkixvdedcmdgmal)

✓ This is the authoritative definition for this NSID.

## Description

Identifies a leaderboard surface. Score records reference this by AT-URI via their `subject` field; constellation indexes those references so the site can list scores without running a firehose subscriber.

## Links

- [View on Lexicon Garden](https://lexicon.garden/lexicon/did:plc:k6acu4chiwkixvdedcmdgmal/com.imlunahey.leaderboard.marker)
- [Documentation](https://lexicon.garden/lexicon/did:plc:k6acu4chiwkixvdedcmdgmal/com.imlunahey.leaderboard.marker/docs)
- [Examples](https://lexicon.garden/lexicon/did:plc:k6acu4chiwkixvdedcmdgmal/com.imlunahey.leaderboard.marker/examples)

## Definitions

### `com.imlunahey.leaderboard.marker`

**Type**: `record`

**Key**: `literal:self`

| Property | Type | Required | Description |
|----------|------|----------|-------------|
| `url` | `string` (uri) | Yes |  |
| `title` | `string` | Yes |  |
| `createdAt` | `string` (datetime) | Yes |  |
| `description` | `string` | No |  |

## Raw Schema

```json
{
  "id": "com.imlunahey.leaderboard.marker",
  "defs": {
    "main": {
      "key": "literal:self",
      "type": "record",
      "record": {
        "type": "object",
        "required": [
          "title",
          "url",
          "createdAt"
        ],
        "properties": {
          "url": {
            "type": "string",
            "format": "uri"
          },
          "title": {
            "type": "string",
            "maxLength": 120,
            "minLength": 1
          },
          "createdAt": {
            "type": "string",
            "format": "datetime"
          },
          "description": {
            "type": "string",
            "maxLength": 500
          }
        }
      }
    }
  },
  "$type": "com.atproto.lexicon.schema",
  "lexicon": 1,
  "description": "Identifies a leaderboard surface. Score records reference this by AT-URI via their `subject` field; constellation indexes those references so the site can list scores without running a firehose subscriber."
}
```