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

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

## InvokeMiddlewareOptions interface

Options for `InvokeMiddleware`

<b>Signature:</b>

```typescript
export interface InvokeMiddlewareOptions 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [chain](./express.invokemiddlewareoptions.chain.md) | string | Name of the extension point. Default to the <code>extensionPoint</code> tag value from the binding |
|  [next](./express.invokemiddlewareoptions.next.md) | [Next](./context.next.md) |  |
|  [orderedGroups](./express.invokemiddlewareoptions.orderedgroups.md) | string\[\] | An array of group names to denote the order of execution |


