function createTicket(apiKey, baseUrl, projectId, issueTypeId, summary, description) { 
    var date = Utilities.formatDate(new Date(), 'Asia/Tokyo', 'yyyy/MM/dd'); 

    var payload = {
        "projectId" : projectId,
        "summary" : summary + " (" + date + ")",
        "issueTypeId" : issueTypeId,
        "priorityId" : '3',
        "description" : '```\n'+ description + '\n```'
    }
    var options = {
        "method" : "POST",
        "payload" : payload
    }
    var url = baseUrl + '/api/v2/issues'
        + '?' + 'apiKey=' + apiKey
        ;
    return JSON.parse(UrlFetchApp.fetch(url, options).getContentText("UTF-8"));
    }
    function main() {
    // 現在のスプレッドシートを取得
    var spreadsheet = SpreadsheetApp.getActiveSpreadsheet();
    //現在のシートを取得
    var sheet = spreadsheet.getActiveSheet();

    lastRow = sheet.getLastRow();
    //エラータイトル取得
    var thisErrTitle = sheet.getRange(lastRow, 1).getValue();
    //エラーメッセージ取得
    var thisErrMsg = sheet.getRange(lastRow, 2).getValue();

    var apiKey = 'apikey';
    var baseUrl = 'baseurl';
    //ここで登録したいプロジェクト指定
    var projectId = 'projectId';
    var issueTypeId = 'issueTypeId';

    //バックログに課題追加
    var json = createTicket(apiKey, baseUrl, projectId, issueTypeId, thisErrTitle, thisErrMsg);
}