Player Movement,CODE doesnt work!

hello… i have a cube in my project and i made this script to make him move forward… i fixed the “Axes” i applied the script to my player… all corect… but when i press play and i click w it doesnt move! ! why?

thats my code

CODE:
`#pragma strict

var moveSpeed : float;

function Start () {

}

function Update () {
if(Input.GetButton(“Forward”)) {
transform.Translate(transform.forward * moveSpeed * Time.deltaTime);
}
}`

try this instead:
Input.GetButton(KeyCode.UpArrow)

PROBLEM SOLVED