@loopback/docs/site/apidocs/context.isdynamicvalueproviderclass.md

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

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[Home](./index.md) &gt; [@loopback/context](./context.md) &gt; [isDynamicValueProviderClass](./context.isdynamicvalueproviderclass.md)

## isDynamicValueProviderClass() function

Check if the factory is a value factory provider class

<b>Signature:</b>

```typescript
export declare function isDynamicValueProviderClass<T = unknown>(factory: unknown): factory is DynamicValueProviderClass<T>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  factory | unknown | A factory function or a dynamic value provider class |

<b>Returns:</b>

factory is [DynamicValueProviderClass](./context.dynamicvalueproviderclass.md)<!-- -->&lt;T&gt;