{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "key": "literal:self",
      "record": {
        "properties": {
          "createdAt": {
            "format": "datetime",
            "type": "string"
          },
          "description": {
            "maxLength": 500,
            "type": "string"
          },
          "title": {
            "maxLength": 120,
            "minLength": 1,
            "type": "string"
          },
          "url": {
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "title",
          "url",
          "createdAt"
        ],
        "type": "object"
      },
      "type": "record"
    }
  },
  "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.",
  "id": "com.imlunahey.leaderboard.marker",
  "lexicon": 1
}