---
lang: en
title: 'API docs: repository-json-schema.jsonschemaoptions.partial'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
permalink: /doc/en/lb4/apidocs.repository-json-schema.jsonschemaoptions.partial.html
---

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[Home](./index.md) &gt; [@loopback/repository-json-schema](./repository-json-schema.md) &gt; [JsonSchemaOptions](./repository-json-schema.jsonschemaoptions.md) &gt; [partial](./repository-json-schema.jsonschemaoptions.partial.md)

## JsonSchemaOptions.partial property

Set this flag to mark all model properties as optional. This is typically used to describe request body of PATCH endpoints.

<b>Signature:</b>

```typescript
partial?: boolean;
```