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

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[Home](./index.md) &gt; [@loopback/context](./context.md) &gt; [Notification](./context.notification.md)

## Notification interface

Event data for observer notifications

<b>Signature:</b>

```typescript
export interface Notification extends ContextEvent 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [observers](./context.notification.observers.md) | <code>Set&lt;ContextEventObserver&gt;</code> | A snapshot of observers when the original event is emitted |