@loopback/docs/site/apidocs/repository.getkeyvalue.md

Documentation for LoopBack 4

---
lang: en
title: 'API docs: repository.getkeyvalue'
keywords: LoopBack 4.0, LoopBack 4
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permalink: /doc/en/lb4/apidocs.repository.getkeyvalue.html
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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [getKeyValue](./repository.getkeyvalue.md)

## getKeyValue() function

Returns value of a keyName. Aims to resolve ObjectId problem of Mongo.

<b>Signature:</b>

```typescript
export declare function getKeyValue(model: AnyObject, keyName: string): unknown;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  model | <code>AnyObject</code> | target model |
|  keyName | <code>string</code> | target key that gets the value from |

<b>Returns:</b>

`unknown`