[android-components](../../index.md) / [mozilla.components.browser.state.state](../index.md) / [WebExtensionState](index.md) / [popupSessionId](./popup-session-id.md)

# popupSessionId

`val popupSessionId: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?` [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/browser/state/src/main/java/mozilla/components/browser/state/state/WebExtensionState.kt#L35)

The ID of the session displaying
the browser action popup.

### Property

`popupSessionId` - The ID of the session displaying
the browser action popup.