@loopback/docs/site/apidocs/express.invokemiddlewareoptions.middlewarelist.md

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---
lang: en
title: 'API docs: express.invokemiddlewareoptions.middlewarelist'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
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editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/express
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---

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[Home](./index.md) &gt; [@loopback/express](./express.md) &gt; [InvokeMiddlewareOptions](./express.invokemiddlewareoptions.md) &gt; [middlewareList](./express.invokemiddlewareoptions.middlewarelist.md)

## InvokeMiddlewareOptions.middlewareList property

Pre-built middleware list. If set, the list will be used to create the middleware chain without discovering again within the context.

<b>Signature:</b>

```typescript
middlewareList?: MiddlewareOrKey[];
```