virtual [TOnlineAsyncOpHandle](API\Plugins\OnlineServicesInterface\Online\TOnlineAsyncOpHandle)< [FModifyLobbyJoinPolicy](API\Plugins\OnlineServicesInterface\Online\FModifyLobbyJoinPolicy) > ModifyLobbyJoinPolicy ( [FModifyLobbyJoinPolicy::Params](API\Plugins\OnlineServicesInterface\Online\FModifyLobbyJoinPolicy\Params) && Params )