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

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[Home](./index.md) &gt; [@loopback/logging](./logging.md) &gt; [LoggingBindings](./logging.loggingbindings.md)

## LoggingBindings namespace

Binding keys used by this component.

**Signature:**

```typescript
export declare namespace LoggingBindings 
```

## Variables

<table><thead><tr><th>

Variable


</th><th>

Description


</th></tr></thead>
<tbody><tr><td markdown="1">

[COMPONENT](./logging.loggingbindings.component.md)


</td><td markdown="1">


</td></tr>
<tr><td markdown="1">

[FLUENT\_SENDER](./logging.loggingbindings.fluent_sender.md)


</td><td markdown="1">


</td></tr>
<tr><td markdown="1">

[WINSTON\_HTTP\_ACCESS\_LOGGER](./logging.loggingbindings.winston_http_access_logger.md)


</td><td markdown="1">

Binding key for http access logger with winston


</td></tr>
<tr><td markdown="1">

[WINSTON\_INVOCATION\_LOGGER](./logging.loggingbindings.winston_invocation_logger.md)


</td><td markdown="1">

Binding key for method invocation logger with winston


</td></tr>
<tr><td markdown="1">

[WINSTON\_LOGGER](./logging.loggingbindings.winston_logger.md)


</td><td markdown="1">

Binding key for winston logger


</td></tr>
<tr><td markdown="1">

[WINSTON\_TRANSPORT\_FLUENT](./logging.loggingbindings.winston_transport_fluent.md)


</td><td markdown="1">

Binding key for winston transport backed by fluent


</td></tr>
</tbody></table>