[TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > MakeViewOptionsComboButton ( [TOptional](API\Runtime\Core\IO\TOptional)< [FExtendContextMenu](API\Plugins\ConcertSharedSlate\Session\Activity\FConcertSessionActivitiesOptions\FExtendContextMe-) > ExtendMenu )