{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": false,
  "properties": {
    "error": {
      "enum": [
        "bad_request",
        "not_found",
        "inventory_unavailable"
      ],
      "type": "string"
    }
  },
  "required": [
    "error"
  ],
  "type": "object"
}