# fingerPrint

Authenticate users by using their fingerprint scan on supported Android emulators. The fingerprintId must be between 1 and 10.

> **Note:** Falls back to the deprecated Appium 2 protocol endpoint if the driver does not support the `mobile:` execute method.

## Usage[​](#usage "Direct link to Usage")

```
await browser.fingerPrint(fingerprintId)
```

## Parameters[​](#parameters "Direct link to Parameters")

| Name            | Type     | Details                                      |
| --------------- | -------- | -------------------------------------------- |
| `fingerprintId` | `number` | The fingerprint sensor ID to simulate (1–10) |

## Example[​](#example "Direct link to Example")

fingerPrint.js

```
it('should authenticate with fingerprint', async () => {
    await browser.fingerPrint(1)
})
```

## Support[​](#support "Direct link to Support")

![Support for android](/assets/images/android-d941e94d5839760141de31c8446b67ce.svg)

**Supported platforms:** Android

note

Refer to the official [Appium driver documentation](https://appium.io/docs/en/latest/ecosystem/) to see which driver versions support this command.