---
lang: en
title: 'API docs: boot.bootbindings.boot_options'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
permalink: /doc/en/lb4/apidocs.boot.bootbindings.boot_options.html
---

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[Home](./index.md) &gt; [@loopback/boot](./boot.md) &gt; [BootBindings](./boot.bootbindings.md) &gt; [BOOT\_OPTIONS](./boot.bootbindings.boot_options.md)

## BootBindings.BOOT\_OPTIONS variable

Binding key for boot options

<b>Signature:</b>

```typescript
BOOT_OPTIONS: BindingKey<BootOptions>
```

