How to show a guitext when enter area?

Unity Engine
1

I create a cube ,want when player into this area show a guitext.

I attech this to cube

public var MySkin: GUISkin;
var Missontext:GUIText;

function OnTriggerEnter (other : Collider) {
GUI.skin = MySkin;
Missontext.text=“jiefjlsdkfj”;

}

but nothing happen, please give me a mathed!

2

http://unity3d.com/support/documentation/ScriptReference/GUIText.html

guiText.enabled = true;

Missontext.enabled = true;