Class CheckboxItem

AI-generated Key Takeaways

CheckboxItem allows respondents to select one or more checkboxes with an optional "other" field.
You can add a new checkbox item to a form using form.addCheckboxItem().
Methods are available to manage choices, feedback, help text, and validation for the checkbox item.
You can set the title and options for the checkbox item using methods like setTitle() and setChoices().
Checkbox items can be set as required and configured to show an "other" option.

A question item that allows the respondent to select one or more checkboxes, as well as an optional "other" field. Items can be accessed or created from a Form. When used in a quiz, these items are autograded.

// Open a form by ID and add a new checkbox item.
const form = FormApp.openById('1234567890abcdefghijklmnopqrstuvwxyz');
const item = form.addCheckboxItem();
item.setTitle('What condiments would you like on your hot dog?')
    .setChoices([
      item.createChoice('Ketchup'),
      item.createChoice('Mustard'),
      item.createChoice('Relish'),
    ])
    .showOtherOption(true);

Methods

Method	Return type	Brief description
`clearValidation()`	`CheckboxItem`	Removes any data validation for this checkbox item.
`createChoice(value)`	`Choice`	Creates a new choice.
`createChoice(value, isCorrect)`	`Choice`	Creates a new choice.
`createResponse(responses)`	`ItemResponse`	Creates a new `ItemResponse` for this checkbox item.
`duplicate()`	`CheckboxItem`	Creates a copy of this item and appends it to the end of the form.
`getChoices()`	`Choice[]`	Gets all choices for an item.
`getFeedbackForCorrect()`	`QuizFeedback`	Returns the feedback that is shown to respondents when they respond correctly to a question.
`getFeedbackForIncorrect()`	`QuizFeedback`	Returns the feedback that is shown to respondents when they respond incorrectly to a question.
`getHelpText()`	`String`	Gets the item's help text (sometimes called description text for layout items like `ImageItems`, `PageBreakItems`, and `SectionHeaderItems`).
`getId()`	`Integer`	Gets the item's unique identifier.
`getIndex()`	`Integer`	Gets the index of the item among all the items in the form.
`getPoints()`	`Integer`	Returns the point value of a gradeable item.
`getTitle()`	`String`	Gets the item's title (sometimes called header text, in the case of a `SectionHeaderItem`).
`getType()`	`ItemType`	Gets the item's type, represented as an `ItemType`.
`hasOtherOption()`	`Boolean`	Determines whether the item has an "other" option.
`isRequired()`	`Boolean`	Determines whether the respondent must answer the question.
`setChoiceValues(values)`	`CheckboxItem`	Sets the choices for an item from an array of strings.
`setChoices(choices)`	`CheckboxItem`	Sets an array of choices for an item.
`setFeedbackForCorrect(feedback)`	`CheckboxItem`	Sets the feedback to be shown to respondents when they respond correctly to a question.
`setFeedbackForIncorrect(feedback)`	`CheckboxItem`	Sets the feedback to be shown to respondents when they respond incorrectly to a question.
`setHelpText(text)`	`CheckboxItem`	Sets the item's help text (sometimes called description text for layout items like `ImageItems`, `PageBreakItems`, and `SectionHeaderItems`).
`setPoints(points)`	`CheckboxItem`	Sets the number of points a gradeable item is worth.
`setRequired(enabled)`	`CheckboxItem`	Sets whether the respondent must answer the question.
`setTitle(title)`	`CheckboxItem`	Sets the item's title (sometimes called header text, in the case of a `SectionHeaderItem`).
`setValidation(validation)`	`CheckboxItem`	Sets the data validation for this checkbox item.
`showOtherOption(enabled)`	`CheckboxItem`	Sets whether the item has an "other" option.

Detailed documentation

`clearValidation()`

Removes any data validation for this checkbox item.

Return

CheckboxItem — this CheckboxItem, for chaining

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`createChoice(value)`

Creates a new choice.

Parameters

Name	Type	Description
`value`	`String`	the choice's value, which respondents see as a label when viewing the form

Return

Choice — the new choice

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`createChoice(value, isCorrect)`

Creates a new choice.

Parameters

Name	Type	Description
`value`	`String`	the choice's value, which respondents see as a label when viewing the form
`isCorrect`	`Boolean`	whether the choice is a correct answer

Return

Choice — the new choice

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`createResponse(responses)`

Creates a new ItemResponse for this checkbox item. The argument responses is a String[] array containing values that need to be checked. Throws an exception if any value does not match a valid choice for this item, unless showOtherOption(enabled) is set to true.

Parameters

Name	Type	Description
`responses`	`String[]`	an array of valid answers for this multiple-choice item

Return

ItemResponse — the item response

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`duplicate()`

Creates a copy of this item and appends it to the end of the form.

Return

CheckboxItem — a duplicate of this CheckboxItem, for chaining

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`getChoices()`

Gets all choices for an item.

Return

Choice[] — an array of choices

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`getFeedbackForCorrect()`

Returns the feedback that is shown to respondents when they respond correctly to a question.

Return

QuizFeedback — the feedback, if any.

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`getFeedbackForIncorrect()`

Returns the feedback that is shown to respondents when they respond incorrectly to a question.

Return

QuizFeedback — the feedback, if any.

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`getHelpText()`

Gets the item's help text (sometimes called description text for layout items like ImageItems, PageBreakItems, and SectionHeaderItems).

Return

String — the item's help text or description text

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`getId()`

Gets the item's unique identifier.

Return

Integer — the item's ID

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`getIndex()`

Gets the index of the item among all the items in the form.

Return

Integer — the index of the item

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`getPoints()`

Returns the point value of a gradeable item.

Return

Integer — the number of points a question is worth.

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`getTitle()`

Gets the item's title (sometimes called header text, in the case of a SectionHeaderItem).

Return

String — the item's title or header text

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`getType()`

Gets the item's type, represented as an ItemType.

Return

ItemType — the item's type

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`hasOtherOption()`

Determines whether the item has an "other" option.

Return

Boolean — true if the item has an "other" option; false if not

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`isRequired()`

Determines whether the respondent must answer the question.

Return

Boolean — whether the respondent must answer the question

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`setChoiceValues(values)`

Sets the choices for an item from an array of strings. Throws an exception if the given array is empty.

// Open a form by ID and add a new list item.
const form = FormApp.openById('1234567890abcdefghijklmnopqrstuvwxyz');
const item = form.addListItem();
item.setTitle('Do you prefer cats or dogs?');
item.setChoiceValues(['Dogs', 'Cats']);

Parameters

Name	Type	Description
`values`	`String[]`	the array of choice values, which respondents see as labels when viewing the form

Return

CheckboxItem — this CheckboxItem, for chaining

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`setChoices(choices)`

Sets an array of choices for an item. Throws an exception if the given array is empty or contains a null element.

// Open a form by ID and add a new list item.
const form = FormApp.openById('1234567890abcdefghijklmnopqrstuvwxyz');
const item = form.addListItem();
item.setTitle('Do you prefer cats or dogs?');
item.setChoices([item.createChoice('Cats'), item.createChoice('Dogs')]);

Parameters

Name	Type	Description
`choices`	`Choice[]`	an array of choices

Return

CheckboxItem — this CheckboxItem, for chaining

Throws

Error — if the given array is null, empty, or contains a null element

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`setFeedbackForCorrect(feedback)`

Sets the feedback to be shown to respondents when they respond correctly to a question.

// Open a form by ID and add a new list item.
const form = FormApp.openById('1234567890abcdefghijklmnopqrstuvwxyz');
const item = form.addListItem();
item.setTitle('Do you prefer cats or dogs?');
// Set "Dogs" as the correct answer to this question.
item.setChoices([
  item.createChoice('Dogs', true),
  item.createChoice('Cats', false),
]);
// Add feedback which will be shown for correct responses; ie "Dogs".
item.setFeedbackForCorrect(
    FormApp.createFeedback().setDisplayText('Dogs rule, cats drool.').build(),
);

Parameters

Name	Type	Description
`feedback`	`QuizFeedback`	the new feedback. A null value will clear the feedback.

Return

CheckboxItem — this CheckboxItem, for chaining

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`setFeedbackForIncorrect(feedback)`

Sets the feedback to be shown to respondents when they respond incorrectly to a question.

Parameters

Name	Type	Description
`feedback`	`QuizFeedback`	the new feedback

Return

CheckboxItem — this CheckboxItem, for chaining

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`setHelpText(text)`

Sets the item's help text (sometimes called description text for layout items like ImageItems, PageBreakItems, and SectionHeaderItems).

Parameters

Name	Type	Description
`text`	`String`	the new help text

Return

CheckboxItem — this CheckboxItem, for chaining

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`setPoints(points)`

Sets the number of points a gradeable item is worth. The default for new items is 0.

Parameters

Name	Type	Description
`points`	`Integer`	the number of a points a question item is worth

Return

CheckboxItem — this CheckboxItem, for chaining

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`setRequired(enabled)`

Sets whether the respondent must answer the question.

Parameters

Name	Type	Description
`enabled`	`Boolean`	whether the respondent must answer the question

Return

CheckboxItem — the current item (for chaining)

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`setTitle(title)`

Sets the item's title (sometimes called header text, in the case of a SectionHeaderItem).

Parameters

Name	Type	Description
`title`	`String`	the new title or header text

Return

CheckboxItem — this CheckboxItem, for chaining

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`setValidation(validation)`

Sets the data validation for this checkbox item. Passing in null or a validation without any require functions called will remove any prior validation.

Parameters

Name	Type	Description
`validation`	`CheckboxValidation`	a CheckboxValidation to apply to this item.

Return

CheckboxItem — this CheckboxItem, for chaining

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

`showOtherOption(enabled)`

Sets whether the item has an "other" option. The default for a new CheckboxItem or MultipleChoiceItem is false.

Parameters

Name	Type	Description
`enabled`	`Boolean`	`true` if the item has an "other" option; `false` if not

Return

CheckboxItem — this CheckboxItem, for chaining

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

https://www.googleapis.com/auth/forms.currentonly
https://www.googleapis.com/auth/forms

Class CheckboxItem Stay organized with collections Save and categorize content based on your preferences.

AI-generated Key Takeaways

Methods

Detailed documentation

clearValidation()

Return

Authorization

createChoice(value)

Parameters

Return

Authorization

createChoice(value, isCorrect)

Parameters

Return

Authorization

createResponse(responses)

Parameters

Return

Authorization

duplicate()

Return

Authorization

getChoices()

Return

Authorization

getFeedbackForCorrect()

Return

Authorization

getFeedbackForIncorrect()

Return

Authorization

getHelpText()

Return

Authorization

getId()

Return

Authorization

getIndex()

Return

Authorization

getPoints()

Return

Authorization

getTitle()

Return

Authorization

getType()

Return

Authorization

hasOtherOption()

Return

Authorization

isRequired()

Return

Authorization

setChoiceValues(values)

Parameters

Return

Authorization

setChoices(choices)

Parameters

Return

Throws

Authorization

setFeedbackForCorrect(feedback)

Parameters

Return

Authorization

setFeedbackForIncorrect(feedback)

Parameters

Return

Authorization

setHelpText(text)

Parameters

Return

Authorization

setPoints(points)

Parameters

Return

Authorization

Class CheckboxItem

`clearValidation()`

`createChoice(value)`

`createChoice(value, isCorrect)`

`createResponse(responses)`

`duplicate()`

`getChoices()`

`getFeedbackForCorrect()`

`getFeedbackForIncorrect()`

`getHelpText()`

`getId()`

`getIndex()`

`getPoints()`

`getTitle()`

`getType()`

`hasOtherOption()`

`isRequired()`

`setChoiceValues(values)`

`setChoices(choices)`

`setFeedbackForCorrect(feedback)`

`setFeedbackForIncorrect(feedback)`

`setHelpText(text)`

`setPoints(points)`

`setRequired(enabled)`

`setTitle(title)`

`setValidation(validation)`

`showOtherOption(enabled)`