---
lang: en
title: 'API docs: express.middleware_interceptor_namespace'
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.middleware_interceptor_namespace.html
---

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[Home](./index.md) &gt; [@loopback/express](./express.md) &gt; [MIDDLEWARE\_INTERCEPTOR\_NAMESPACE](./express.middleware_interceptor_namespace.md)

## MIDDLEWARE\_INTERCEPTOR\_NAMESPACE variable

Default namespace for Express middleware based local interceptors

<b>Signature:</b>

```typescript
MIDDLEWARE_INTERCEPTOR_NAMESPACE = "globalInterceptors.middleware"
```

