ParagraphTextValidation 的 DataValidationBuilder。
// Add a paragraph text item to a form and require the answer to be at least 100 characters. var paragraphTextItem = form.addParagraphTextItem().setTitle('Describe yourself:'); var paragraphtextValidation = FormApp.createParagraphTextValidation() .setHelpText('Answer must be more than 100 characters.') .requireTextLengthGreaterThan(100); paragraphTextItem.setValidation(paragraphtextValidation);