// rpcID = 1 means that you will invoke RPC method associated with 1int rpcID =1;// List of selected remote client IDs to execute RPC onList<string> clientIDs =newList<string>();clientIDs.Add(clientIDOne);clientIDs.Add(clientIDTwo);// For UDP client reliable = true means RUDP transmissionbool reliable =true;bool called =rpc.RPCAll(rpcID, clientIDs,Encoding.UTF8.GetBytes("Hello World"), reliable);