@loopback/docs/site/apidocs/security.defaultsubject.addauthority.md

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---
lang: en
title: 'API docs: security.defaultsubject.addauthority'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/security
permalink: /doc/en/lb4/apidocs.security.defaultsubject.addauthority.html
---

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[Home](./index.md) &gt; [@loopback/security](./security.md) &gt; [DefaultSubject](./security.defaultsubject.md) &gt; [addAuthority](./security.defaultsubject.addauthority.md)

## DefaultSubject.addAuthority() method

**Signature:**

```typescript
addAuthority(...authorities: Permission[]): void;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td markdown="1">

authorities


</td><td markdown="1">

[Permission](./security.permission.md)<!-- -->\[\]


</td><td markdown="1">


</td></tr>
</tbody></table>

**Returns:**

void