typedef TBaseDelegate_ThreeParams< void, const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SConcertSessionActivities](API\Plugins\ConcertSharedSlate\Session\Activity\SConcertSessionActivities) > &Owner, const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FConcertSessionActivity](API\Plugins\ConcertSyncCore\FConcertSessionActivity) > &, [SOverlay::FScopedWidgetSlotArguments](API\Runtime\SlateCore\Widgets\SOverlay\FScopedWidgetSlotArguments) &Slot > FGenerateColumnWidget