How to search for a gameobject inside another hierarchy.

gistfile1.cs

public static class Extensions
{
    public static Transform Search(this Transform target, string name)
    {
        if (target.name == name) return target;
 
        for (int i = 0; i < target.childCount; ++i)
        {
            var result = Search(target.GetChild(i), name);
 
            if (result != null) return result;
        }
 
        return null;
    }
    public static Vector3 NormalizeAngles (this Vector3 angles)
	{
		angles.x = NormalizeAngle (angles.x);
		angles.y = NormalizeAngle (angles.y);
		angles.z = NormalizeAngle (angles.z);
		return angles;
	}
	
	public static float NormalizeAngle (this float angle)
	{
		while (angle>360)
			angle -= 360;
		while (angle<0)
			angle += 360;
		return angle;
	}
}