@loopback/docs/site/apidocs/openapi-v3.controllerspec.components.md

Documentation for LoopBack 4

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

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[Home](./index.md) &gt; [@loopback/openapi-v3](./openapi-v3.md) &gt; [ControllerSpec](./openapi-v3.controllerspec.md) &gt; [components](./openapi-v3.controllerspec.components.md)

## ControllerSpec.components property

OpenAPI components.schemas generated from model metadata

<b>Signature:</b>

```typescript
components?: ComponentsObject;
```