@digitalpersona/devices/dist/api/docs/devices.fingerprintreader.off.md

DigitalPersona Security Devices support library

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[Home](./index.md) &gt; [@digitalpersona/devices](./devices.md) &gt; [FingerprintReader](./devices.fingerprintreader.md) &gt; [off](./devices.fingerprintreader.off.md)

## FingerprintReader.off() method

Deletes an event handler for the event.

<b>Signature:</b>

```typescript
off<E extends Event>(event?: string, handler?: Handler<E>): this;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  event | <code>string</code> | a name of the event to subscribe. |
|  handler | <code>Handler&lt;E&gt;</code> | an event handler added with the [FingerprintReader.on()](./devices.fingerprintreader.on.md) method. |

<b>Returns:</b>

`this`