function ticketSaveEmailYesNo(){
// Display a dialog box with a message and "Yes" and "No" buttons. The user
//can also close the
// dialog by clicking the close button in its title bar.
var ui = SpreadsheetApp.getUi();
var response = ui.alert(
 'Please Confirm',
 'Email a copy of this ticket to the client',
 ui.ButtonSet.YES_NO);

 // Process the user's response.
 if (response == ui.Button.YES) {
 ticketSaveAndMail();
 } else {
   ticketSavePDF()
 }

 }