# NeverSchema

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

Never schema interface.

## Generics

- `TMessage` `extends ErrorMessage<NeverIssue> | undefined`

## Definition

- `NeverSchema` `extends BaseSchema<never, never, NeverIssue>`
  - `type` `'never'`
  - `reference` `readonly never`
  - `expects` `'never'`
  - `message` `TMessage`