Google Apps ScriptでJson Feedを取得

function myFunction() {

  var sheet = SpreadsheetApp.getActiveSpreadsheet().getSheetByName('西予市');
  sheet.clear();

  var row = 1;

//新着
  var url = 'http://www.city.seiyo.ehime.jp/index.update.json';
  
//緊急情報
//var url = 'https://www.city.seiyo.ehime.jp/kinkyu/index.update.json';

  var result = UrlFetchApp.fetch(url);

  var json = result.getContentText();
  var items = JSON.parse(json);
  
  items.forEach(function(item){
  
    sheet.getRange(row, 1).setValue(item.page_name);
    sheet.getRange(row, 2).setValue(item.url);
    sheet.getRange(row, 3).setValue(item.publish_datetime);
    
    row++;
  });
}