module.exports.GetProperty = function (obj, prop) {
  if (!obj) return null;
  let res = obj;
  if (prop) {
    let props = prop.split('.');
    for (let i = 0; i < props.length; i++) {
      res = res[props[i]];
      if (typeof res == "undefined" || res == null) {
        return null;
      }
    }
  }
  return res;
}