---
url: /api/specs/json-mapper/types/domain/const-json-mapper-settings.md
description: api documentation of JsonMapperSettings from @tsed/json-mapper
---

## Usage

```typescript
import { JsonMapperSettings } from "@tsed/json-mapper";
```

> See [/packages/specs/json-mapper/src/domain/JsonMapperSettings.ts](https://github.com/tsedio/tsed/blob/v8.38.4/packages/specs/json-mapper/src/domain/JsonMapperSettings.ts#L0-L0).

## Overview

```ts
const JsonMapperSettings: JsonMapperGlobalOptions;
```

## Description

Default runtime settings applied by the JSON mapper pipeline.