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---
lang: en
title: 'API docs: express.invokemiddlewareoptions.orderedgroups'
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.invokemiddlewareoptions.orderedgroups.html
---
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[Home](./index.md) > [@loopback/express](./express.md) > [InvokeMiddlewareOptions](./express.invokemiddlewareoptions.md) > [orderedGroups](./express.invokemiddlewareoptions.orderedgroups.md)
## InvokeMiddlewareOptions.orderedGroups property
An array of group names to denote the order of execution, such as `['cors', 'caching', 'rate-limiting']`<!-- -->.
<b>Signature:</b>
```typescript
orderedGroups?: string[];
```