@loopback/docs/site/apidocs/core.lifecycleobserverregistry.init.md

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---
lang: en
title: 'API docs: core.lifecycleobserverregistry.init'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
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[Home](./index.md) &gt; [@loopback/core](./core.md) &gt; [LifeCycleObserverRegistry](./core.lifecycleobserverregistry.md) &gt; [init](./core.lifecycleobserverregistry.init.md)

## LifeCycleObserverRegistry.init() method

Notify all life cycle observers by group of `init`

<b>Signature:</b>

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

Promise&lt;void&gt;