@loopback/docs/site/apidocs/security.securitybindings.subject.md

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---
lang: en
title: 'API docs: security.securitybindings.subject'
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.securitybindings.subject.html
---

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[Home](./index.md) &gt; [@loopback/security](./security.md) &gt; [SecurityBindings](./security.securitybindings.md) &gt; [SUBJECT](./security.securitybindings.subject.md)

## SecurityBindings.SUBJECT variable

Binding key for subject

<b>Signature:</b>

```typescript
SUBJECT: BindingKey<Subject>
```