main()
{
	trigger = getEnt("test","targetname"); //Regular trigger
	trigger thread hint(); //Threading the hint function
}

hint()
{
	trig_hide = getEnt("hide","targetname"); //This is the trigger you are going to hide

	trig_hide hide(); //This hides the trigger you want hidden till later

	//Also the self is the trigger that you used in main to thread the hint function

	self setCursorHint("HINT_NOICON"); //This make sure there is no hand icon if you don't want it remove this line
	self setHintString("What you want hintstring to say"); //This is how you set a hintstring

	self waittill("trigger", player);

	iprintln("Unhiding trig_hide");

	trig_hide show(); //This shows the trigger that you hid earlier in the code
}

	trigger = getEnt("test","targetname"); //Regular trigger
if(!isDefined(trigger))
         return;