//Get StackTextBox instance of the prefab droped in the scene
	StackTextBox msgBox = GameObject.Find("StackTextBox")
		.GetComponent<StackTextBox>();
		
	// add some messages	
	msgBox.AddText("Hello, world!");
	msgBox.AddText("By, world!");

	// AddText method returns StackText instance
	StackText msg = msgBox.AddText("Hello, world!");
	...
	// it can be used later to hide message. Hiding message effectively 
	// removes it from the stack.
	msg.Hide();
	
	// text message can be hidden automatically after specified time (miliseconds) 
	msgBox.AddText("This message will self-desctruct in 5 seconds", 5000);