---
url: >-
  /api/specs/schema/types/components/mappers/default/function-discriminator-mapping-mapper.md
description: api documentation of discriminatorMappingMapper from @tsed/schema
---

## Usage

```typescript
import { discriminatorMappingMapper } from "@tsed/schema";
```

> See [/packages/specs/schema/src/components/mappers/default/discriminatorMappingMapper.ts](https://github.com/tsedio/tsed/blob/v8.43.4/packages/specs/schema/src/components/mappers/default/discriminatorMappingMapper.ts#L0-L0).

## Overview

```ts
function discriminatorMappingMapper(obj: SchemaWithDiscriminator, _: JsonSchema, options: JsonSchemaOptions): SchemaWithDiscriminator;
```