---
lang: en
title: 'API docs: authentication.authenticationoptions'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
editurl: https://github.com/strongloop/loopback-next/tree/master/packages/authentication
permalink: /doc/en/lb4/apidocs.authentication.authenticationoptions.html
---

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[Home](./index.md) &gt; [@loopback/authentication](./authentication.md) &gt; [AuthenticationOptions](./authentication.authenticationoptions.md)

## AuthenticationOptions interface

Options for authentication component

<b>Signature:</b>

```typescript
export interface AuthenticationOptions 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [defaultMetadata](./authentication.authenticationoptions.defaultmetadata.md) | <code>AuthenticationMetadata</code> | Default authentication metadata if a method or class is not decorated with <code>@authenticate</code>. If not set, no default authentication will be enforced for those methods without authentication metadata. |