LensFlare.flare  

// Assigns the flare of lf to this transforms light flare

var lf : LensFlare;
light.flare = lf.flare;

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    public LensFlare lf;
    void Example() {
        light.flare = lf.flare;
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    public lf as LensFlare

    def Example():
        light.flare = lf.flare