---
lang: en
title: 'API docs: core.corebindings.life_cycle_observer_registry'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
permalink: /doc/en/lb4/apidocs.core.corebindings.life_cycle_observer_registry.html
---

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[Home](./index.md) &gt; [@loopback/core](./core.md) &gt; [CoreBindings](./core.corebindings.md) &gt; [LIFE\_CYCLE\_OBSERVER\_REGISTRY](./core.corebindings.life_cycle_observer_registry.md)

## CoreBindings.LIFE\_CYCLE\_OBSERVER\_REGISTRY variable

Binding key for life cycle observer options

<b>Signature:</b>

```typescript
LIFE_CYCLE_OBSERVER_REGISTRY: BindingKey<LifeCycleObserverRegistry>
```

