@loopback/docs/site/apidocs/openapi-v3.oasenhancerservice.applyallenhancers.md

Documentation for LoopBack 4

---
lang: en
title: 'API docs: openapi-v3.oasenhancerservice.applyallenhancers'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
editurl: https://github.com/strongloop/loopback-next/tree/master/packages/openapi-v3
permalink: /doc/en/lb4/apidocs.openapi-v3.oasenhancerservice.applyallenhancers.html
---

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[Home](./index.md) &gt; [@loopback/openapi-v3](./openapi-v3.md) &gt; [OASEnhancerService](./openapi-v3.oasenhancerservice.md) &gt; [applyAllEnhancers](./openapi-v3.oasenhancerservice.applyallenhancers.md)

## OASEnhancerService.applyAllEnhancers() method

Generate OpenAPI spec by applying ALL registered enhancers TBD: load enhancers by group names

<b>Signature:</b>

```typescript
applyAllEnhancers(options?: {}): Promise<OpenApiSpec>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  options | <code>{}</code> |  |

<b>Returns:</b>

`Promise<OpenApiSpec>`