@loopback/docs/site/apidocs/authentication-jwt.myuserservice.finduserbyid.md

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---
lang: en
title: 'API docs: authentication-jwt.myuserservice.finduserbyid'
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.myuserservice.finduserbyid.html
---

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[Home](./index.md) &gt; [@loopback/authentication-jwt](./authentication-jwt.md) &gt; [MyUserService](./authentication-jwt.myuserservice.md) &gt; [findUserById](./authentication-jwt.myuserservice.finduserbyid.md)

## MyUserService.findUserById() method

<b>Signature:</b>

```typescript
findUserById(id: string): Promise<User & UserWithRelations>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  id | string |  |

<b>Returns:</b>

Promise&lt;[User](./authentication-jwt.user.md) &amp; [UserWithRelations](./authentication-jwt.userwithrelations.md)<!-- -->&gt;