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

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[Home](./index.md) &gt; [@loopback/metadata](./metadata.md) &gt; [DecoratorFactory](./metadata.decoratorfactory.md) &gt; [spec](./metadata.decoratorfactory.spec.md)

## DecoratorFactory.spec property

<b>Signature:</b>

```typescript
protected spec: T;
```

