Class CheckboxValidation

  • CheckboxValidation is a DataValidation specifically for CheckboxItems in Google Forms.

  • It allows you to set requirements for the number of choices a user must select from a checkbox item.

  • You can customize the help text displayed to the user when the validation is not met.

  • The provided code example demonstrates how to create a CheckboxValidation that requires exactly two selections.
CheckboxValidation

A DataValidation for a CheckboxItem. 

// Add a checkBox item to a form and require exactly two selections. const form = FormApp.create('My Form'); const checkBoxItem = form.addCheckboxItem(); checkBoxItem.setTitle('What two condiments would you like on your hot dog?'); checkBoxItem.setChoices([  checkBoxItem.createChoice('Ketchup'),  checkBoxItem.createChoice('Mustard'),  checkBoxItem.createChoice('Relish'), ]); const checkBoxValidation = FormApp.createCheckboxValidation()  .setHelpText('Select two condiments.')  .requireSelectExactly(2)  .build(); checkBoxItem.setValidation(checkBoxValidation);