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

Documentation for LoopBack 4

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

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

## DefaultSubject class

Default implementation of `Subject`

<b>Signature:</b>

```typescript
export declare class DefaultSubject implements Subject 
```

## Properties

|  Property | Modifiers | Type | Description |
|  --- | --- | --- | --- |
|  [authorities](./security.defaultsubject.authorities.md) |  | <code>Set&lt;Permission&gt;</code> |  |
|  [credentials](./security.defaultsubject.credentials.md) |  | <code>Set&lt;Credential&gt;</code> |  |
|  [principals](./security.defaultsubject.principals.md) |  | <code>Set&lt;TypedPrincipal&gt;</code> |  |
|  [user](./security.defaultsubject.user.md) |  | <code>UserProfile &#124; undefined</code> |  |

## Methods

|  Method | Modifiers | Description |
|  --- | --- | --- |
|  [addApplication(app)](./security.defaultsubject.addapplication.md) |  |  |
|  [addAuthority(authorities)](./security.defaultsubject.addauthority.md) |  |  |
|  [addCredential(credentials)](./security.defaultsubject.addcredential.md) |  |  |
|  [addUser(users)](./security.defaultsubject.adduser.md) |  |  |
|  [getPrincipal(type)](./security.defaultsubject.getprincipal.md) |  |  |