Class CheckboxValidationBuilder
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Checkbox Validation Builder یک DataValidationBuilder برای Checkbox Validation .
// 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); مستندات دقیق
require Select At Least(number)
require Select At Most(number)
require Select Exactly(number)
جز در مواردی که غیر از این ذکر شده باشد،محتوای این صفحه تحت مجوز Creative Commons Attribution 4.0 License است. نمونه کدها نیز دارای مجوز Apache 2.0 License است. برای اطلاع از جزئیات، به خطمشیهای سایت Google Developers مراجعه کنید. جاوا علامت تجاری ثبتشده Oracle و/یا شرکتهای وابسته به آن است.
تاریخ آخرین بهروزرسانی 2025-07-25 بهوقت ساعت هماهنگ جهانی.
[null,null,["تاریخ آخرین بهروزرسانی 2025-07-25 بهوقت ساعت هماهنگ جهانی."],[[["\u003cp\u003e\u003ccode\u003eCheckboxValidationBuilder\u003c/code\u003e allows you to set validation rules for checkbox items in Google Forms.\u003c/p\u003e\n"],["\u003cp\u003eYou can specify the minimum, maximum, or exact number of choices that must be selected.\u003c/p\u003e\n"],["\u003cp\u003eValidation rules can be customized with help text to guide users.\u003c/p\u003e\n"],["\u003cp\u003eIt is used with \u003ccode\u003eCheckboxItem\u003c/code\u003e to create and manage checkbox questions within forms.\u003c/p\u003e\n"]]],[],null,["# Class CheckboxValidationBuilder\n\nCheckboxValidationBuilder\n\nA DataValidationBuilder for a [CheckboxValidation](/apps-script/reference/forms/checkbox-validation).\n\n```javascript\n// Add a checkBox item to a form and require exactly two selections.\nconst form = FormApp.create('My Form');\nconst checkBoxItem = form.addCheckboxItem();\ncheckBoxItem.setTitle('What two condiments would you like on your hot dog?');\ncheckBoxItem.setChoices([\n checkBoxItem.createChoice('Ketchup'),\n checkBoxItem.createChoice('Mustard'),\n checkBoxItem.createChoice('Relish'),\n]);\nconst checkBoxValidation = FormApp.createCheckboxValidation()\n .setHelpText('Select two condiments.')\n .requireSelectExactly(2)\n .build();\ncheckBoxItem.setValidation(checkBoxValidation);\n``` \n\n### Methods\n\n| Method | Return type | Brief description |\n|----------------------------------------------------------------|--------------------------------|----------------------------------------------------|\n| [requireSelectAtLeast(number)](#requireSelectAtLeast(Integer)) | [CheckboxValidationBuilder](#) | Require at least this many choices to be selected. |\n| [requireSelectAtMost(number)](#requireSelectAtMost(Integer)) | [CheckboxValidationBuilder](#) | Require at most this many choices to be selected. |\n| [requireSelectExactly(number)](#requireSelectExactly(Integer)) | [CheckboxValidationBuilder](#) | Require exactly this many choices to be selected. |\n\nDetailed documentation\n----------------------\n\n### `require``Select``At``Least(number)`\n\nRequire at least this many choices to be selected.\n\n#### Parameters\n\n| Name | Type | Description |\n|----------|-----------|-------------|\n| `number` | `Integer` | |\n\n#### Return\n\n\n[CheckboxValidationBuilder](#) --- this [CheckboxValidationBuilder](#), for chaining\n\n*** ** * ** ***\n\n### `require``Select``At``Most(number)`\n\nRequire at most this many choices to be selected.\n\n#### Parameters\n\n| Name | Type | Description |\n|----------|-----------|-------------|\n| `number` | `Integer` | |\n\n#### Return\n\n\n[CheckboxValidationBuilder](#) --- this [CheckboxValidationBuilder](#), for chaining\n\n*** ** * ** ***\n\n### `require``Select``Exactly(number)`\n\nRequire exactly this many choices to be selected.\n\n#### Parameters\n\n| Name | Type | Description |\n|----------|-----------|-------------|\n| `number` | `Integer` | |\n\n#### Return\n\n\n[CheckboxValidationBuilder](#) --- this [CheckboxValidationBuilder](#), for chaining"]]
