# Function: hasPlatformAuthenticator()

```ts
function hasPlatformAuthenticator(): Promise<boolean>;
```

Defined in: [packages/core/src/identity/webauthn.ts:38](https://github.com/leifriksheim/minca/blob/main/core/src/identity/webauthn.ts#L38)

Whether this device has a built-in authenticator — Touch ID, Windows Hello.
Worth knowing first: `attachment: 'platform'` is a filter, not a preference.

## Returns

`Promise`\<`boolean`\>