Class ListItem

    • ListItem is a question type in Google Forms allowing respondents to select one choice from a drop-down list.

    • You can create and access ListItem objects from a Form object using FormApp.openById() and form.addListItem() .

    • ListItem objects have methods to create choices, set choice values, get and set the title and help text, and determine if the question is required.

    • Feedback for correct and incorrect answers can be set for ListItem questions.

    • ListItem objects can be duplicated using the duplicate() method.
    List Item

    A question item that allows the respondent to select one choice from a drop-down list. Items can be accessed or created from a Form .

     // 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?' 
 ). 
 setChoices 
 ([ 
  
 item 
 . 
 createChoice 
 ( 
 'Cats' 
 ), 
  
 item 
 . 
 createChoice 
 ( 
 'Dogs' 
 ) 
 ]);

    Methods

    Method Return type Brief description
    create Choice(value)
    		Choice Creates a new choice.
    create Choice(value, isCorrect)
    		Choice Creates a new choice.
    create Choice(value, navigationItem)
    		Choice Creates a new choice with a page-navigation option that jumps to a given page-break item.
    create Choice(value, navigationType)
    		Choice Creates a new choice with a page-navigation option.
    create Response(response)
    		Item Response Creates a new Item Response for this list item.
    duplicate()
    		List Item Creates a copy of this item and appends it to the end of the form.
    get Choices()
    		Choice[] Gets all choices for an item.
    get Feedback For Correct()
    		Quiz Feedback Returns the feedback that is shown to respondents when they respond correctly to a question.
    get Feedback For Incorrect()
    		Quiz Feedback Returns the feedback that is shown to respondents when they respond incorrectly to a question.
    get Help Text()
    		String Gets the item's help text (sometimes called description text for layout items like Image Items , Page Break Items , and Section Header Items ).
    get Id()
    		Integer Gets the item's unique identifier.
    get Index()
    		Integer Gets the index of the item among all the items in the form.
    get Points()
    		Integer Returns the point value of a gradeable item.
    get Title()
    		String Gets the item's title (sometimes called header text, in the case of a Section Header Item ).
    get Type()
    		Item Type Gets the item's type, represented as an Item Type .
    is Required()
    		Boolean Determines whether the respondent must answer the question.
    set Choice Values(values)
    		List Item Sets the choices for an item from an array of strings.
    set Choices(choices)
    		List Item Sets an array of choices for an item.
    set Feedback For Correct(feedback)
    		List Item Sets the feedback to be shown to respondents when they respond correctly to a question.
    set Feedback For Incorrect(feedback)
    		List Item Sets the feedback to be shown to respondents when they respond incorrectly to a question.
    set Help Text(text)
    		List Item Sets the item's help text (sometimes called description text for layout items like Image Items , Page Break Items , and Section Header Items ).
    set Points(points)
    		List Item Sets the number of points a gradeable item is worth.
    set Required(enabled)
    		List Item Sets whether the respondent must answer the question.
    set Title(title)
    		List Item Sets the item's title (sometimes called header text, in the case of a Section Header Item ).

    Detailed documentation

    create Choice(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

    create Choice(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
    is Correct
    		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

    create Choice(value, navigationItem)

    Creates a new choice with a page-navigation option that jumps to a given page-break item. This is equivalent to create Choice(value, navigationType) with navigation Type set to Form App.PageNavigationType.GO_TO_PAGE . Choices that use page navigation cannot be combined in the same item with choices that do not use page navigation.

    The page navigation occurs after the respondent completes a page that contains the option, and only if the respondent chose that option. If the respondent chose multiple options with page-navigation instructions on the same page, only the last navigation option has any effect. Page navigation also has no effect on the last page of a form.

    Parameters

    Name Type Description
    value
    		String the choice's value, which respondents see as a label when viewing the form
    navigation Item
    		Page Break Item the item to navigate to

    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

    create Choice(value, navigationType)

    Creates a new choice with a page-navigation option. Choices that use page navigation cannot be combined in the same item with choices that do not use page navigation.

    The page navigation occurs after the respondent completes a page that contains the option, and only if the respondent chose that option. If the respondent chose multiple options with page-navigation instructions on the same page, only the last navigation option has any effect. Page navigation also has no effect on the last page of a form.

    Parameters

    Name Type Description
    value
    		String the choice's value, which respondents see as a label when viewing the form
    navigation Type
    		Page Navigation Type the choice's navigation type

    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

    create Response(response)

    Creates a new Item Response for this list item. Throws an exception if the response argument does not match a valid choice for this item.

    Parameters

    Name Type Description
    response
    		String a valid answer for this list item

    Return

    Item Response — 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

    List Item — a duplicate of this List 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

    get Choices()

    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

    get Feedback For Correct()

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

    Return

    Quiz Feedback — 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

    get Feedback For Incorrect()

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

    Return

    Quiz Feedback — 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

    get Help Text()

    Gets the item's help text (sometimes called description text for layout items like Image Items , Page Break Items , and Section Header Items ).

    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

    get Id()

    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

    get Index()

    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

    get Points()

    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

    get Title()

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

    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

    get Type()

    Gets the item's type, represented as an Item Type .

    Return

    Item Type — 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

    is Required()

    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

    set Choice Values(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

    List Item — this List 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

    set Choices(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

    List Item — this List Item , 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

    set Feedback For Correct(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
    		Quiz Feedback the new feedback. A null value will clear the feedback.

    Return

    List Item — this List 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

    set Feedback For Incorrect(feedback)

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

    Parameters

    Name Type Description
    feedback
    		Quiz Feedback the new feedback

    Return

    List Item — this List 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

    set Help Text(text)

    Sets the item's help text (sometimes called description text for layout items like Image Items , Page Break Items , and Section Header Items ).

    Parameters

    Name Type Description
    text
    		String the new help text

    Return

    List Item — this List 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

    set Points(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

    List Item — this List 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

    set Required(enabled)

    Sets whether the respondent must answer the question.

    Parameters

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

    Return

    List Item — 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

    set Title(title)

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

    Parameters

    Name Type Description
    title
    		String the new title or header text

    Return

    List Item — this List 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
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