---
lang: en
title: 'API docs: openapi-v3.request_body_index'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
permalink: /doc/en/lb4/apidocs.openapi-v3.request_body_index.html
---

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[Home](./index.md) &gt; [@loopback/openapi-v3](./openapi-v3.md) &gt; [REQUEST\_BODY\_INDEX](./openapi-v3.request_body_index.md)

## REQUEST\_BODY\_INDEX variable

<b>Signature:</b>

```typescript
REQUEST_BODY_INDEX = "x-parameter-index"
```