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

Documentation for LoopBack 4

---
lang: en
title: 'API docs: security.defaultsubject.getprincipal'
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.getprincipal.html
---

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

## DefaultSubject.getPrincipal() method

<b>Signature:</b>

```typescript
getPrincipal(type: string): Principal | undefined;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  type | <code>string</code> |  |

<b>Returns:</b>

`Principal | undefined`