title: Nodejs fetching rows from google spreadsheet returns object undefined
body: <p>I am trying to get values from google spreadsheet  which returns value as undefined. Here is my code</p>
  
  <pre><code>app.get('\userdetails',(req,res) =&gt; {
      Var doc = new GoogleSpredsheet('sheetId');
         doc.useServiceAccountAuth(cred, function(err) {  
            doc.getRow(1, function (err, row){ console.log(row);});
      });
  });
  </code></pre>
  
  <p>In cred i have my credentials
  And as sheetId i have passed the id of sheet that has edit access</p>