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

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[Home](./index.md) &gt; [@loopback/express](./express.md) &gt; [MiddlewareView](./express.middlewareview.md)

## MiddlewareView class

Watch middleware binding keys for the given context and sort them by group

**Signature:**

```typescript
export declare class MiddlewareView extends ContextView 
```
**Extends:** [ContextView](./context.contextview.md)

## Constructors

|  Constructor | Modifiers | Description |
|  --- | --- | --- |
|  [(constructor)(ctx, options)](./express.middlewareview._constructor_.md) |  | Constructs a new instance of the <code>MiddlewareView</code> class |

## Properties

|  Property | Modifiers | Type | Description |
|  --- | --- | --- | --- |
|  [middlewareBindingKeys](./express.middlewareview.middlewarebindingkeys.md) | <code>readonly</code> | string\[\] | A list of binding keys sorted by group for registered middleware |

## Methods

|  Method | Modifiers | Description |
|  --- | --- | --- |
|  [refresh()](./express.middlewareview.refresh.md) |  |  |


