# Wrapper
In order to use the [Block3r](/block3d/components/block3r.md) component, you'll need to pass it a [wagmi config](https://wagmi.sh/react/getting-started#create-config) and a [block3dConfig](/block3d/getting-started/config.md).
## Example root
*If you are not using a layout file, wrap the root `app.tsx` file instead.*
```typescript
/* src/app/layout.tsx */
"use client";
import { Block3r } from "block3d";
import block3dConfig from "../../block3d.config";
import { config } from "../../wagmi.config";
export default function RootLayout({
children,
}: {
children: React.ReactNode;
}) {
return (
{children}
);
}
```
---
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```
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