Unity Script Reference – GameObject.layer

GameObject.layer

The layer the game object is in. A layer is in the range [0...32]

Layers can be used for selective rendering from cameras or ignoring raycasts.

JavaScripts

// Put the game object in the ignore raycast layer
gameObject.layer = 2;

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
void Awake() {
gameObject.layer = 2;
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

def Awake():
gameObject.layer = 2