If you run the example written here exactly as it: https://console.groq.com/docs/structured-outputs
You will get the error:
```
2 | import { castToError } from "./core.mjs";
3 | export class GroqError extends Error {
4 | }
5 | export class APIError extends GroqError {
6 | constructor(status, error, message, headers) {
7 | super(`${APIError.makeMessage(status, error, message)}`);
^
error: 400 {"error":{"message":"'response_format' : one of the following must be satisfied[('response_format.type' : value is not one of the allowed values ['text']) OR ('response_format.name' : property 'name' is missing) OR ('response_format.type' : value is not one of the allowed values ['json_object'])]","type":"invalid_request_error"}}
status: 400,
headers: {
"alt-svc": "h3=\":443\"; ma=86400",
"cache-control": "private, max-age=0, no-store, no-cache, must-revalidate",
"cf-cache-status": "DYNAMIC",
"cf-ray": "96a8f2f58b7b16de-IAD",
connection: "keep-alive",
"content-length": "332",
"content-type": "application/json",
date: "Tue, 05 Aug 2025 20:12:23 GMT",
server: "cloudflare",
vary: "Origin",
"x-groq-region": "msp",
"x-request-id": "req_01k1xxt5crem6v0hnepa7d7f6m",
"set-cookie": "__cf_bm=wX32tP0nyiX.5yEeQ_rKuK6ScRwxGPwTFYTPnj6vekA-1754424743-1.0.1.1-NOR9JS2MpSrKj1PtRtXiuZmycbDRjyyFN1KWPxu7aprN2yoI6gXPW0YjgQqUIVdlGugPttyxXo1iMH0y1507J6nuGPgzW77HlKngNErgtjY; path=/; expires=Tue, 05-Aug-25 20:42:23 GMT; domain=.groq.com; HttpOnly; Secure; SameSite=None",
},
error: {
error: [Object ...],
},
at new GroqError (1:23)
at new APIError (/Users/samesfahani/f/embet/node_modules/groq-sdk/error.mjs:7:9)
at new BadRequestError (1:23)
at generate (/Users/samesfahani/f/embet/node_modules/groq-sdk/error.mjs:36:20)
at makeRequest (/Users/samesfahani/f/embet/node_modules/groq-sdk/core.mjs:332:30)
```