# MD for: https://www.mercadopago.com.ar/developers/es/docs/checkout-bricks/brand-brick/callbacks.md

\# Callbacks To simplify integration and interaction with Brick, callbacks are provided that can be used at different moments in the lifecycle to execute functions on your website. | Value prop | Time of use | |---|---| |\`onReady\` |When finishing loading the Brick.| 

* [javascript ](#editor%5F1)
* [react-jsx ](#editor%5F2)
javascript react-jsx 

```
const settings = {
  callbacks: {
  onReady: () => {
  /*
  Callback called when Brick is ready.
  Here you can hide loadings on your site, for example.
  */
  },
  },
};
```

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```
import { Brand } from '@mercadopago/sdk-react';
const onReady = async () => {
  /*
  Callback called when Brick is ready.
  Here you can hide loadings on your site, for example.
  */
};

<Brand
  onReady={onReady}
/>
```

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