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

<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [@loopback/extension-logging](./extension-logging.md) &gt; [LoggingBindings](./extension-logging.loggingbindings.md) &gt; [WINSTON\_LOGGER](./extension-logging.loggingbindings.winston_logger.md)

## LoggingBindings.WINSTON\_LOGGER variable

Binding key for winston logger

<b>Signature:</b>

```typescript
WINSTON_LOGGER: BindingKey<WinstonLogger>
```

