@loopback/docs/site/apidocs/authentication-jwt.credentials.md

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

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[Home](./index.md) &gt; [@loopback/authentication-jwt](./authentication-jwt.md) &gt; [Credentials](./authentication-jwt.credentials.md)

## Credentials type

A pre-defined type for user credentials. It assumes a user logs in using the email and password. You can modify it if your app has different credential fields

**Signature:**

```typescript
export type Credentials = {
    email: string;
    password: string;
};
```