Class CheckboxValidationBuilder
Mantieni tutto organizzato con le raccolte
Salva e classifica i contenuti in base alle tue preferenze.
Strumento dicostruizionediconvalidadelle caselle di controllo
Un DataValidationBuilder per un CheckboxValidation.
// 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);
Documentazione dettagliata
requireSelectAtLeast(number)
requireSelectAtMost(number)
requireSelectExactly(number)
Salvo quando diversamente specificato, i contenuti di questa pagina sono concessi in base alla licenza Creative Commons Attribution 4.0, mentre gli esempi di codice sono concessi in base alla licenza Apache 2.0. Per ulteriori dettagli, consulta le norme del sito di Google Developers. Java è un marchio registrato di Oracle e/o delle sue consociate.
Ultimo aggiornamento 2025-07-26 UTC.
[null,null,["Ultimo aggiornamento 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"]]
