> For the complete documentation index, see [llms.txt](https://docs.facephi.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.facephi.com/sdks/sdk-web/componentes/selphid-documentos/propiedades/enginefallback.md).

# engineFallback

## Detalles

**Atributo:** `engine-fallback`

**Tipo:** `boolean`

**Valor por defecto:** `false`

## Morfología

```typescript
selphid.engineFallback = true;
```

## Descripción

Permite usar el motor secundario de lectura en `facephi-selphid-widget` si el principal no está disponible.

***

## Ejemplo

```jsx
<facephi-selphid-widget
    engineFallback={true}
/>
```