Learning Google Apps Script

Debugging your script

Logging the values of variables at a few points is essential when testing and debugging your code. The Logger class is a helpful tool to do this and has a few methods that are essential to debug your code.

Update the showDialog function as shown here:

function showDialog() {
  var ui = DocumentApp.getUi();

  var response = ui.prompt(
      'Greeting', 'Will you enter your name below?', ui.ButtonSet.YES_NO
  );

  if (response.getSelectedButton() == ui.Button.YES) {
    Logger.log('Your name is %s.', response.getResponseText());
  } else if (response.getSelectedButton() == ui.Button.NO) {
    Logger.log('You clicked \'NO\' button');
  } else {
    Logger.log('You closed the dialog.');
  }
}

Run the showDialog function as usual from the Add-ons menu. Do anything, ...