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

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[Home](./index.md) &gt; [@loopback/core](./core.md) &gt; [CoreBindings](./core.corebindings.md) &gt; [APPLICATION\_CONFIG](./core.corebindings.application_config.md)

## CoreBindings.APPLICATION\_CONFIG variable

Binding key for application configuration

**Signature:**

```typescript
APPLICATION_CONFIG: BindingKey<ApplicationConfig>
```