# MD for: https://www.mercadopago.com.br/developers/es/docs/checkout-bricks/status-screen-brick/advanced-features/add-external-reference.md

\> CLIENT\_SIDE > > h1 > > Add external reference By default, the Status Screen Brick does not show the \`external\_reference\` field of the \[Payments\](https://www.mercadopago.com.br/developers/en/reference/online-payments/checkout-api-payments/create-payment/post) API, but how this data can be useful to allow the integrator to identify the purchase on your website, you can enable the field through the configuration below. 

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

```
const settings = {
 initialization: {
  paymentId: 100, // payment id generated by Mercado Pago
 },
 callbacks: {
  onReady: () => {
  // callback called when Brick is ready
  },
  onError: (error) => {
  // callback called for all Brick error cases
  },
 },
 customization: {
  visual: {
  showExternalReference: true
  }
 }
};
```

Copiar 

```
const customization = {
 visual: {
  showExternalReference: true
 }
};
```

Copiar 

!\[status-screen-external-reference\](https://www.mercadopago.com.br/checkout-bricks/status-screen-add-reference-mlb-en.png)