---
title: Build Manifest Server Fn
lastModified: "2026-10-10T14:59:21+01:00"
lastAuthor: Kaylee
---
```ts title="src/routes/__root.tsx"
import { createServerFn } from '@tanstack/react-start';
import { createConsentStateHandler } from 'c15t/tanstack-start/server';

// Reads the backend URL and the policy consentManifest() downloaded.
const getConsentState = createServerFn({ method: 'GET' }).handler(
	createConsentStateHandler()
);
```