# UlidIssue

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

ULID issue interface.

## Generics

- `TInput` `extends string`

## Definition

- `UlidIssue` `extends BaseIssue<TInput>`
  - `kind` `'validation'`
  - `type` `'ulid'`
  - `expected` `null`
  - `received` `` `"${string}"` ``
  - `requirement` `RegExp`