---
lang: en
title: 'API docs: context.contextsubscriptionmanager._observers'
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.contextsubscriptionmanager._observers.html
---

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[Home](./index.md) &gt; [@loopback/context](./context.md) &gt; [ContextSubscriptionManager](./context.contextsubscriptionmanager.md) &gt; [\_observers](./context.contextsubscriptionmanager._observers.md)

## ContextSubscriptionManager.\_observers property

A list of registered context observers. The Set will be created when the first observer is added.

<b>Signature:</b>

```typescript
protected _observers: Set<ContextEventObserver> | undefined;
```