{
  "type": "object",
  "description": "Optional pointer to Conjuring Atlas library entry. Pointer only, no duplication.",
  "additionalProperties": false,
  "properties": {
    "atlas_id": {
      "type": "string",
      "pattern": "^([a-z0-9-]+:)?[a-z0-9-]+$",
      "description": "Conjuring Atlas slug identifier"
    },
    "atlas_uuid": {
      "type": "string",
      "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$",
      "description": "Conjuring Atlas UUID identifier"
    },
    "primary_source": {
      "type": "string",
      "description": "Publication/source identifier in library"
    }
  }
}