[android-components](../index.md) / [mozilla.components.feature.pwa.ext](index.md) / [putWebAppManifest](./put-web-app-manifest.md)

# putWebAppManifest

`fun <ERROR CLASS>.putWebAppManifest(webAppManifest: `[`WebAppManifest`](../mozilla.components.concept.engine.manifest/-web-app-manifest/index.md)`?): `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/feature/pwa/src/main/java/mozilla/components/feature/pwa/ext/Bundle.kt#L18)

Serializes and inserts a [WebAppManifest](../mozilla.components.concept.engine.manifest/-web-app-manifest/index.md) value into the mapping of this [Bundle](#),
replacing any existing web app manifest.

