@loopback/docs/site/apidocs/express.middlewareview.middlewarebindingkeys.md

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---
lang: en
title: 'API docs: express.middlewareview.middlewarebindingkeys'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
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[Home](./index.md) &gt; [@loopback/express](./express.md) &gt; [MiddlewareView](./express.middlewareview.md) &gt; [middlewareBindingKeys](./express.middlewareview.middlewarebindingkeys.md)

## MiddlewareView.middlewareBindingKeys property

A list of binding keys sorted by group for registered middleware

<b>Signature:</b>

```typescript
get middlewareBindingKeys(): string[];
```