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

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[Home](./index.md) &gt; [@loopback/openapi-spec-builder](./openapi-spec-builder.md) &gt; [OperationSpecBuilder](./openapi-spec-builder.operationspecbuilder.md) &gt; [(constructor)](./openapi-spec-builder.operationspecbuilder._constructor_.md)

## OperationSpecBuilder.(constructor)

Constructs a new instance of the `OperationSpecBuilder` class

<b>Signature:</b>

```typescript
constructor();
```

