# StringifyJsonConfig

> This document is the Markdown version of [valibot.dev/api/StringifyJsonConfig/](https://valibot.dev/api/StringifyJsonConfig/). For the complete documentation index, see [llms.txt](https://valibot.dev/llms.txt).

JSON stringify config interface.

## Definition

- `StringifyJsonConfig`
  - `replacer` `((this: any, key: string, value: any) => any) | (string | number)[] | undefined`
  - `space` `string | number | undefined`