---
lang: en
title: 'API docs: context.contexttags.key'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/strongloop/loopback-next/tree/master/packages/context
permalink: /doc/en/lb4/apidocs.context.contexttags.key.html
---

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[Home](./index.md) &gt; [@loopback/context](./context.md) &gt; [ContextTags](./context.contexttags.md) &gt; [KEY](./context.contexttags.key.md)

## ContextTags.KEY variable

Binding key for the artifact

<b>Signature:</b>

```typescript
KEY = "key"
```