[android-components](../../../index.md) / [mozilla.components.browser.session](../../index.md) / [Session](../index.md) / [Observer](index.md) / [onWebAppManifestChanged](./on-web-app-manifest-changed.md)

# onWebAppManifestChanged

`open fun onWebAppManifestChanged(session: `[`Session`](../index.md)`, manifest: `[`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/browser/session/src/main/java/mozilla/components/browser/session/Session.kt#L84)