Notion APIとGASでNotionとGoogleスプレッドシートと同期する方法

const NOTIONTOKEN = '★Notion APIのトーケンを入力★';
const DATABASEID = '★NotionのテーブルIDを入力★';

function myFunction() {
  const ss = SpreadsheetApp.getActiveSpreadsheet();
  const js = convertJson(ss.getDataRange().getValues());

  js.forEach(function (elem, index) {
    const obj = {
      "parent": {
        "database_id": DATABASEID
      },
      "properties": {
        "Name": {
          "title": [
            {
              "text": {
                "content": elem.Name
              }
            }
          ]
        },
        "Description": {
          "rich_text": [
            {
              "text": {
                "content": elem.Description
              }
            }
          ]
        },
        "Date": {
          "type": "date",
          "date": {
            "start": Utilities.formatDate(elem.Date, "JST", "yyyy-MM-dd"),
            "end": null
          }
        }
      }
    };
    postNotion(obj);
    Utilities.sleep(1000);
  });

}

function postNotion(object){
  const options = {
  method: 'post',
  headers: {
    'Content-Type': 'application/json',
    'Notion-Version':'2021-05-13',
    'Authorization':"Bearer "+NOTIONTOKEN
  },
  payload: JSON.stringify(object)
};
console.log(options)
  var response = UrlFetchApp.fetch('https://api.notion.com/v1/pages', options);

}

function convertJson(range) {
  const key = range[0];

  const js = range.slice(1).map(
    function (row) {
      const obj = {};
      row.map(function (item, index) {
        obj[String(key[index])] = item;
      }
      );
      return obj;
    });
  return js;
}