API Reference > ui-core > Settings > SettingsManager > onProcessSettingsTabActivation onProcessSettingsTabActivation Readonly onProcessSettingsTabActivation: ProcessSettingsTabActivationEvent = ... Event raised solely for a settings page to monitor so it can save its settings before continuing tab activation. See React hook function useSaveBeforeActivatingNewSettingsTab. Defined in ui/core/src/ui-core/settings/SettingsManager.tsx Line 116 Last Updated: 11 June, 2024