# NotValueIssue

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

Not value issue interface.

## Generics

- `TInput` `extends ValueInput`
- `TRequirement` `extends TInput`

## Definition

- `NotValueIssue` `extends BaseIssue<TInput>`
  - `kind` `'validation'`
  - `type` `'not_value'`
  - `expected` `` `!${string}` ``
  - `requirement` `TRequirement`