# DisplayBackendSelectionPolicy

`import { DisplayBackendSelectionPolicy } from "destack:display/binding";`

Display backend selection policy.

```ds title="DisplayBackendSelectionPolicy"
export enum DisplayBackendSelectionPolicy {
    Fallback = 1,
    Exact = 2,
}
```

[language/library/src/display/binding/backend.ds:24:29](https://github.com/destack-sh/destack/blob/main/language/library/src/display/binding/backend.ds#L24-L29)

## Variants

### `Fallback = 1`

Use another backend when the requested backend is unavailable.

### `Exact = 2`

Fail unless the requested backend is available.