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});
},
},
},
},
});
```
Notes:
- Requires a configured VoltOps client (keys) so feedback can be persisted.
- `feedback.save` uses the scorer trace id by default; you can override via `traceId`.
## useChat integration
When you use the `/agents/:id/chat` endpoint (AI SDK useChat compatible), the assistant message includes feedback metadata under `message.metadata.feedback`. You can render a thumbs up/down UI and submit feedback to `feedback.url`.
```ts
import { useChat } from "@ai-sdk/react";
import { DefaultChatTransport } from "ai";
const apiUrl = "http://localhost:3141"; // your VoltAgent server base URL
const agentId = "support-agent-id"; // from route param or app config
const userId = "user-1"; // from your auth/session layer
const conversationId = "conv-1"; // current conversation id from your app state
const transport = new DefaultChatTransport({
api: `${apiUrl}/agents/${agentId}/chat`,
prepareSendMessagesRequest({ messages }) {
const lastMessage = messages[messages.length - 1];
return {
body: {
input: [lastMessage],
options: {
feedback: {
key: "satisfaction",
feedbackConfig: {
type: "categorical",
categories: [
{ value: 1, label: "Satisfied" },
{ value: 0, label: "Unsatisfied" },
],
},
},
},
},
};
},
});
const { messages } = useChat({ transport });
const isFeedbackProvided = (feedback: any): boolean =>
Boolean(feedback?.provided || feedback?.providedAt || feedback?.feedbackId);
const isFeedbackExpired = (feedback: any): boolean =>
typeof feedback?.expiresAt === "string" && new Date(feedback.expiresAt).getTime() <= Date.now();
const shouldShowFeedback = (message: any): boolean => {
const feedback = message?.metadata?.feedback;
if (!feedback?.url) return false;
if (isFeedbackExpired(feedback)) return false;
if (isFeedbackProvided(feedback)) return false;
return true;
};
// Example usage while rendering messages:
// {messages.filter(shouldShowFeedback).map(renderFeedbackButtons)}
async function submitFeedback(message: any, score: number) {
const feedback = message?.metadata?.feedback;
if (!feedback?.url || isFeedbackProvided(feedback)) return;
const response = await fetch(feedback.url, {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
score,
comment: "Helpful response",
feedback_source_type: "app",
}),
});
if (!response.ok) return;
const { id: feedbackId } = (await response.json()) as { id?: string };
// Persist "already submitted" state for reloads
await markFeedbackProvided({
agentId,
userId,
conversationId,
messageId: message.id,
feedbackId, // optional: feedback id returned by ingestion API
});
}
async function markFeedbackProvided(input: {
agentId: string;
userId: string;
conversationId: string;