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

<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [@loopback/core](./core.md) &gt; [ServiceOrProviderClass](./core.serviceorproviderclass.md)

## ServiceOrProviderClass type

**Signature:**

```typescript
export type ServiceOrProviderClass<T = any> = Constructor<T | Provider<T>> | DynamicValueProviderClass<T>;
```
**References:** [Constructor](./context.constructor.md)<!-- -->, [Provider](./context.provider.md)<!-- -->, [DynamicValueProviderClass](./context.dynamicvalueproviderclass.md)