start dedicated server
point at your feet and execute on the client:
a = "DemoCharge_Remote_Ammo" createVehicle [0,0,0];
a setPos screenToWorld [0.5,0.5];
diag_log position a; // result is something like [2345.23,2423.32,0.34434]
publicVariableServer "a";
on the server run
diag_log position a; //result is something like [0,0,-0.43287]