Valve interaction

[Josh707]

Hey everyone, I have set up my map with toggle-able light switches and I want to know how to make a valve turn on a heater. I have tried to do

Code: (Select All)

SetEntityPlayerInteractCallback("heatervalve", "Turnonheater", true);

then

Code: (Select All)

void Turnonheater(string &in entity)
{
    PlaySoundAtEntity("", "22_fire.snt", "geostove", 0, false);
    SetLampLit("bonfire", true, false);
}

But the stove turns on as soon as I touch the valve, not when it turns all the way... I have searched the script functions page for everything related to valves, interaction, wheels, buttons etc. and I have not found anything. How do I make it call a function when it's turned to the maximum?

tl;dr How do I make a valve call a function when I turn it all the way?