function onOpen() {
  var ui = SpreadsheetApp.getUi();
  ui.createMenu('C_Generator')
      .addItem('1 -- Get Templates', 'templateSetup')
      .addItem('2 -- Configure Templates', 'configureTemplates')
      .addSeparator()
      .addItem('3 -- Generate Student Folders', 'generateClassData')
      .addItem('4 -- Transfer Enabled Students to Teacher Records','transferToTeacherRecords')
      .addToUi();
}