[TOnlineAsyncOpHandle](API\Plugins\OnlineServicesInterface\Online\TOnlineAsyncOpHandle)< [FExternalUIShowFriendsUI](API\Plugins\OnlineServicesInterface\Online\FExternalUIShowFriendsUI) > ShowFriendsUI ( [FExternalUIShowFriendsUI::Params](API\Plugins\OnlineServicesInterface\Online\FExternalUIShowFriendsUI\Params) && Params )