Class DataValidation

// Change existing data validation rules that require a date in 2013 to require // a date in 2014. const oldDates = [new Date('1/1/2013'), new Date('12/31/2013')]; const newDates = [new Date('1/1/2014'), new Date('12/31/2014')]; const sheet = SpreadsheetApp.getActiveSheet(); const range = sheet.getRange(1, 1, sheet.getMaxRows(), sheet.getMaxColumns()); const rules = range.getDataValidations();  for (let i = 0; i < rules.length; i++) {   for (let j = 0; j < rules[i].length; j++) {     const rule = rules[i][j];      if (rule != null) {       const criteria = rule.getCriteriaType();       const args = rule.getCriteriaValues();        if (criteria === SpreadsheetApp.DataValidationCriteria.DATE_BETWEEN &&           args[0].getTime() === oldDates[0].getTime() &&           args[1].getTime() === oldDates[1].getTime()) {         // Create a builder from the existing rule, then change the dates.         rules[i][j] = rule.copy().withCriteria(criteria, newDates).build();       }     }   } } range.setDataValidations(rules);

// Log information about the data validation rule for cell A1. const cell = SpreadsheetApp.getActive().getRange('A1'); const rule = cell.getDataValidation(); if (rule != null) {   const criteria = rule.getCriteriaType();   const args = rule.getCriteriaValues();   Logger.log('The data validation rule is %s %s', criteria, args); } else {   Logger.log('The cell does not have a data validation rule.'); }

// Log information about the data validation rule for cell A1. const cell = SpreadsheetApp.getActive().getRange('A1'); const rule = cell.getDataValidation(); if (rule != null) {   const criteria = rule.getCriteriaType();   const args = rule.getCriteriaValues();   Logger.log('The data validation rule is %s %s', criteria, args); } else {   Logger.log('The cell does not have a data validation rule.'); }