LuaInterface.LuaBaseRef.GetReference C# (CSharp) Method

        public virtual int GetReference()
        {
            return reference;
        }

 public static void Push(IntPtr L, LuaBaseRef lbr)
 {
     if (lbr == null)
     {
         LuaDLL.lua_pushnil(L);
     }
     else
     {
         LuaDLL.lua_getref(L, lbr.GetReference());
     }
 }