// Add a checkbox grid item to a form and require one response per column.constform=FormApp.openById('123abc');constcheckboxGridItem=form.addCheckboxGridItem();checkboxGridItem.setTitle('Where did you celebrate New Years?').setRows(['New York','San Francisco','London']).setColumns(['2014','2015','2016','2017']);constcheckboxGridValidation=FormApp.createCheckboxGridValidation().setHelpText('Select one item per column.').requireLimitOneResponsePerColumn().build();checkboxGridItem.setValidation(checkboxGridValidation);
[[["เข้าใจง่าย","easyToUnderstand","thumb-up"],["แก้ปัญหาของฉันได้","solvedMyProblem","thumb-up"],["อื่นๆ","otherUp","thumb-up"]],[["ไม่มีข้อมูลที่ฉันต้องการ","missingTheInformationINeed","thumb-down"],["ซับซ้อนเกินไป/มีหลายขั้นตอนมากเกินไป","tooComplicatedTooManySteps","thumb-down"],["ล้าสมัย","outOfDate","thumb-down"],["ปัญหาเกี่ยวกับการแปล","translationIssue","thumb-down"],["ตัวอย่าง/ปัญหาเกี่ยวกับโค้ด","samplesCodeIssue","thumb-down"],["อื่นๆ","otherDown","thumb-down"]],["อัปเดตล่าสุด 2025-07-26 UTC"],[[["\u003cp\u003e\u003ccode\u003eCheckboxGridValidation\u003c/code\u003e is used to set validation rules specifically for \u003ccode\u003eCheckboxGridItem\u003c/code\u003e within Google Forms.\u003c/p\u003e\n"],["\u003cp\u003eIt allows you to enforce constraints like requiring exactly one response per column in a checkbox grid, enhancing data integrity and user experience.\u003c/p\u003e\n"],["\u003cp\u003eYou can customize the validation with help text to guide users on expected input.\u003c/p\u003e\n"]]],["This content demonstrates creating and validating a checkbox grid item within a form. It outlines adding a checkbox grid with titles, rows (e.g., \"New York\"), and columns (e.g., \"2014\"). The example then builds a `CheckboxGridValidation` to enforce a limit of one response per column, including setting custom help text. Finally, it applies this validation to the checkbox grid, ensuring responses adhere to the set criteria.\n"],null,[]]