@loopback/docs/site/apidocs/openapi-v3.oasenhancerbindings.oas_enhancer_service.md

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---
lang: en
title: 'API docs: openapi-v3.oasenhancerbindings.oas_enhancer_service'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/openapi-v3
permalink: /doc/en/lb4/apidocs.openapi-v3.oasenhancerbindings.oas_enhancer_service.html
---

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[Home](./index.md) &gt; [@loopback/openapi-v3](./openapi-v3.md) &gt; [OASEnhancerBindings](./openapi-v3.oasenhancerbindings.md) &gt; [OAS\_ENHANCER\_SERVICE](./openapi-v3.oasenhancerbindings.oas_enhancer_service.md)

## OASEnhancerBindings.OAS\_ENHANCER\_SERVICE variable

Strongly-typed binding key for SpecService

**Signature:**

```typescript
OAS_ENHANCER_SERVICE: BindingKey<OASEnhancerService>
```