---
title: "header"
sidebar_label: "header"
description: "Kotlin binding reference: header."
---

<!-- Generated by tools/api_reference/generate_api_docs.py. Do not edit. -->

//[clika-runtime](../../../index.md)/[io.clika.runtime](../index.md)/[HttpResponse](index.md)/[header](header.md)

# header

[common]\
fun [header](header.md)(name: [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)): [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)?

The first value of header [name](header.md), matched without regard to case, or null.