---
title: "CorsAllowedHeadersResolverResult"
source: "https://github.com/remix-run/remix/blob/8905f3943706e1f53696ab83e70a84873cabfc90/packages/cors-middleware/src/lib/cors.ts#L34"
---

# CorsAllowedHeadersResolverResult

## Summary

Return shape for a dynamic allowed-headers resolver.

## Signature

```ts
type CorsAllowedHeadersResolverResult = readonly string[] | null | undefined

```