@loopback/docs/site/apidocs/repository.defaulthasmanythroughrepository.patch.md

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

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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [DefaultHasManyThroughRepository](./repository.defaulthasmanythroughrepository.md) &gt; [patch](./repository.defaulthasmanythroughrepository.patch.md)

## DefaultHasManyThroughRepository.patch() method

**Signature:**

```typescript
patch(dataObject: DataObject<TargetEntity> | {
        [polymorphicType: string]: DataObject<TargetEntity>;
    }, where?: Where<TargetEntity>, options?: Options & {
        throughOptions?: Options & {
            discriminator?: string;
        };
    } & {
        isPolymorphic?: boolean;
    }): Promise<Count>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  dataObject | [DataObject](./repository.dataobject.md)<!-- -->&lt;TargetEntity&gt; \| { \[polymorphicType: string\]: [DataObject](./repository.dataobject.md)<!-- -->&lt;TargetEntity&gt;; } |  |
|  where | [Where](./filter.where.md)<!-- -->&lt;TargetEntity&gt; | _(Optional)_ |
|  options | [Options](./repository.options.md) &amp; { throughOptions?: [Options](./repository.options.md) &amp; { discriminator?: string; }; } &amp; { isPolymorphic?: boolean; } | _(Optional)_ |

**Returns:**

Promise&lt;[Count](./repository.count.md)<!-- -->&gt;