{
  "lexicon": 1,
  "id": "sh.diffuse.output.collaboration",
  "defs": {
    "main": {
      "type": "record",
      "record": {
        "type": "object",
        "required": ["id", "collaborators", "subject"],
        "properties": {
          "id": { "type": "string" },
          "collaborators": {
            "type": "array",
            "items": { "type": "ref", "ref": "#collaborator" }
          },
          "createdAt": { "type": "string", "format": "datetime" },
          "subject": {
            "type": "union",
            "refs": ["#playlist"]
          },
          "updatedAt": { "type": "string", "format": "datetime" }
        }
      }
    },
    "collaborator": {
      "type": "object",
      "required": ["id", "hint"],
      "properties": {
        "id": { "type": "string" },
        "hint": {
          "type": "string",
          "description": "Hint at where this collaborator resides and/or what the id represents."
        }
      }
    },
    "playlist": {
      "type": "object",
      "required": ["kind", "playlist"],
      "properties": {
        "kind": { "type": "string", "const": "playlist" },
        "playlist": {
          "type": "string",
          "description": "The name of the playlist, matches the `playlist` property of a playlist item"
        }
      }
    }
  }
}