# transformException

**Kind:** Function

**Source:** [`packages/platform-express/multer/multer/multer.utils.ts`](https://github.com/nestjs/nest/blob/master/packages/platform-express/multer/multer/multer.utils.ts#L10)

**Part of:** [Platform Express](subsystem-packages-platform-express)

## Signature

```ts
function transformException(error: (Error & { field?: string }) | undefined)
```

## Parameters

| Name | Type |
|---|---|
| `error` | `(Error & { field?: string }) | undefined` |

## Relationships

- IMPORTS → `BadRequestException`
- IMPORTS → `HttpException`
- IMPORTS → `PayloadTooLargeException`