{
  "type": "object",
  "required": ["artifacts"],
  "properties": {
    "artifacts": {
      "type": "array",
       "items": {
        "type": "object",
        "properties": {
          "name": { "type": "string" },
          "expire_at": { "type": ["string", "null"], "format": "date-time" },
          "expired": { "type": "boolean" },
          "path": { "type": "string" }
        }
      }
    }
  },
  "additionalProperties": false
}