---
title: "Check"
source: "https://github.com/remix-run/remix/blob/8905f3943706e1f53696ab83e70a84873cabfc90/packages/data-schema/src/lib/schema.ts#L71"
---

# Check

## Summary

A reusable check for use with `schema.pipe(...)`.

## Signature

```ts
type Check<output> = {
  check: (value: output) => boolean
  code?: string
  message?: string
  values?: Record<string, unknown>
}

```