@loopback/docs/site/apidocs/boot.applicationmetadatabooter.(constructor).md

Documentation for LoopBack 4

---
lang: en
title: 'API docs: boot.applicationmetadatabooter.(constructor)'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
permalink: /doc/en/lb4/apidocs.boot.applicationmetadatabooter.(constructor).html
---

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[Home](./index.md) &gt; [@loopback/boot](./boot.md) &gt; [ApplicationMetadataBooter](./boot.applicationmetadatabooter.md) &gt; [(constructor)](./boot.applicationmetadatabooter.(constructor).md)

## ApplicationMetadataBooter.(constructor)

Constructs a new instance of the `ApplicationMetadataBooter` class

<b>Signature:</b>

```typescript
constructor(app: Application, projectRoot: string);
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  app | <code>Application</code> |  |
|  projectRoot | <code>string</code> |  |