@loopback/docs/site/apidocs/repository.hasonerepository.create.md

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---
lang: en
title: 'API docs: repository.hasonerepository.create'
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.hasonerepository.create.html
---

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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [HasOneRepository](./repository.hasonerepository.md) &gt; [create](./repository.hasonerepository.create.md)

## HasOneRepository.create() method

Create a target model instance

**Signature:**

```typescript
create(targetModelData: DataObject<Target>, options?: Options & {
        polymorphicType?: string;
    }): Promise<Target>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  targetModelData | [DataObject](./repository.dataobject.md)<!-- -->&lt;Target&gt; | The target model data |
|  options | [Options](./repository.options.md) &amp; { polymorphicType?: string; } | _(Optional)_ Options for the operation options.polymorphicType - If polymorphic target model, specify of which concrete model the created instance should be |

**Returns:**

Promise&lt;Target&gt;

A promise which resolves to the newly created target model instance