@loopback/docs/site/apidocs/context.contextobserver.observe.md

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

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[Home](./index.md) &gt; [@loopback/context](./context.md) &gt; [ContextObserver](./context.contextobserver.md) &gt; [observe](./context.contextobserver.observe.md)

## ContextObserver.observe property

Listen on `bind`<!-- -->, `unbind`<!-- -->, or other events

<b>Signature:</b>

```typescript
observe: ContextObserverFn;
```