Class CheckboxItem

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