// Add a checkBox item to a form and require exactly two selections.constform=FormApp.create('My Form');constcheckBoxItem=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'),]);constcheckBoxValidation=FormApp.createCheckboxValidation().setHelpText('Select two condiments.').requireSelectExactly(2).build();checkBoxItem.setValidation(checkBoxValidation);
[[["Łatwo zrozumieć","easyToUnderstand","thumb-up"],["Rozwiązało to mój problem","solvedMyProblem","thumb-up"],["Inne","otherUp","thumb-up"]],[["Brak potrzebnych mi informacji","missingTheInformationINeed","thumb-down"],["Zbyt skomplikowane / zbyt wiele czynności do wykonania","tooComplicatedTooManySteps","thumb-down"],["Nieaktualne treści","outOfDate","thumb-down"],["Problem z tłumaczeniem","translationIssue","thumb-down"],["Problem z przykładami/kodem","samplesCodeIssue","thumb-down"],["Inne","otherDown","thumb-down"]],["Ostatnia aktualizacja: 2025-07-26 UTC."],[[["\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"]]
