@loopback/docs/site/apidocs/boot.lifecycleobserverbooter.load.md

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

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[Home](./index.md) &gt; [@loopback/boot](./boot.md) &gt; [LifeCycleObserverBooter](./boot.lifecycleobserverbooter.md) &gt; [load](./boot.lifecycleobserverbooter.load.md)

## LifeCycleObserverBooter.load() method

Uses super method to get a list of Artifact classes. Boot each file by creating a DataSourceConstructor and binding it to the application class.

<b>Signature:</b>

```typescript
load(): Promise<void>;
```
<b>Returns:</b>

Promise&lt;void&gt;