[android-components](../../../index.md) / [mozilla.components.browser.engine.gecko](../../index.md) / [GeckoEngineSession](../index.md) / [LoadRequest](index.md) / [additionalHeaders](./additional-headers.md)

# additionalHeaders

`val additionalHeaders: `[`Map`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-map/index.html)`<`[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`>?` [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/browser/engine-gecko-beta/src/main/java/mozilla/components/browser/engine/gecko/GeckoEngineSession.kt#L120)

the extra headers to use when loading the provided url.

