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---
lang: en
title: 'API docs: repository-tests.crudfeatures.emptyvalue'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/repository-tests
permalink: /doc/en/lb4/apidocs.repository-tests.crudfeatures.emptyvalue.html
---
<!-- Do not edit this file. It is automatically generated by API Documenter. -->
[Home](./index.md) > [@loopback/repository-tests](./repository-tests.md) > [CrudFeatures](./repository-tests.crudfeatures.md) > [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;
```