As Friz mentioned you need @alive on both the server and the clients. There is also @aliveserver that runs on the server only, however that is only if you are using persistence and have signed up for an account on the War Room.
As Friz mentioned you need @alive on both the server and the clients. There is also @aliveserver that runs on the server only, however that is only if you are using persistence and have signed up for an account on the War Room.