Update packages/integrations/vercel/README.md

Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>
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Chris 2023-09-04 10:28:17 +02:00 committed by GitHub
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@ -111,8 +111,9 @@ export default defineConfig({
#### `beforeSend`
To define the `beforeSend` function, you need to create a separate file inside your root called `vercel-web-analytics.ts`.
If you're not using TypeScript, you can define the function inside `vercel-web-analytics.js`.
`beforeSend` is a function that can modify analytics event data before it's sent to Vercel.
Define this function in a separate file at the root of your project called `vercel-web-analytics.ts` (or `vercel-web-analytics.js` if you're not using TypeScript).
```ts
// vercel-web-analytics.ts