API Reference > ui-core > Settings > SettingsTabEntry > pageWillHandleCloseRequest pageWillHandleCloseRequest Readonly pageWillHandleCloseRequest: undefined | boolean Setting to true if page will register to watch for stage closing event so it can save any dirty settings. Page component should register and handle the events: settingsManager.onProcessSettingsTabActivation and settingsManager.onProcessSettingsContainerClose Defined in ui/core/src/ui-core/settings/SettingsManager.tsx Line 23 Last Updated: 11 June, 2024