---
lang: en
title: 'API docs: repository-tests.crudfeatures.emptyvalue'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
permalink: /doc/en/lb4/apidocs.repository-tests.crudfeatures.emptyvalue.html
---

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[Home](./index.md) &gt; [@loopback/repository-tests](./repository-tests.md) &gt; [CrudFeatures](./repository-tests.crudfeatures.md) &gt; [emptyValue](./repository-tests.crudfeatures.emptyvalue.md)

## CrudFeatures.emptyValue property

The value used by the database to store properties set to `undefined`<!-- -->. Typically, SQL databases store both `undefined` and `null` as `null`<!-- -->.

Default: `undefined`

<b>Signature:</b>

```typescript
emptyValue: undefined | null;
```

