@loopback/docs/site/apidocs/express.middlewarecreationoptions.providerclassname.md

Documentation for LoopBack 4

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

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[Home](./index.md) &gt; [@loopback/express](./express.md) &gt; [MiddlewareCreationOptions](./express.middlewarecreationoptions.md) &gt; [providerClassName](./express.middlewarecreationoptions.providerclassname.md)

## MiddlewareCreationOptions.providerClassName property

Class name for the created provider class. It's only used if `injectConfiguration` is not set to `false`<!-- -->.

<b>Signature:</b>

```typescript
providerClassName?: string;
```