AI-generated Key Takeaways
- 
          CheckboxGridItem is a form question item presented as a grid allowing multiple selections per row via checkboxes. 
- 
          You can access or create CheckboxGridItem instances from a Form object. 
- 
          Key methods include setting/getting columns and rows, managing validation, and duplicating the item. 
A question item, presented as a grid of columns and rows, that allows the respondent to select
multiple choices per row from a sequence of checkboxes. Items can be accessed or created from a
Form.
// Open a form by ID and add a new checkbox grid item. const form = FormApp.openById('1234567890abcdefghijklmnopqrstuvwxyz'); const item = form.addCheckboxGridItem(); item.setTitle('Where did you celebrate New Years?') .setRows(['New York', 'San Francisco', 'London']) .setColumns(['2014', '2015', '2016', '2017']);
Methods
| Method | Return type | Brief description | 
|---|---|---|
| clear | Checkbox | Removes any data validation for this grid item. | 
| create | Item | Creates a new Itemfor this checkbox grid item. | 
| duplicate() | Checkbox | Creates a copy of this item and appends it to the end of the form. | 
| get | String[] | Gets the values for every column in the grid. | 
| get | String | Gets the item's help text (sometimes called description text for layout items like Image,Page, andSection). | 
| get | Integer | Gets the item's unique identifier. | 
| get | Integer | Gets the index of the item among all the items in the form. | 
| get | String[] | Gets the values for every row in the grid. | 
| get | String | Gets the item's title (sometimes called header text, in the case of a Section). | 
| get | Item | Gets the item's type, represented as an Item. | 
| is | Boolean | Determines whether the respondent must answer the question. | 
| set | Checkbox | Sets the columns of the grid based on an array of values. | 
| set | Checkbox | Sets the item's help text (sometimes called description text for layout items like Image,Page, andSection). | 
| set | Checkbox | Sets whether the respondent must answer the question. | 
| set | Checkbox | Sets the rows of the grid based on an array of values. | 
| set | Checkbox | Sets the item's title (sometimes called header text, in the case of a Section). | 
| set | Checkbox | Sets the data validation for this checkbox grid item. | 
Detailed documentation
clearValidation() 
Removes any data validation for this grid item.
Return
Checkbox — this 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
createResponse(responses) 
Creates a new Item for this checkbox grid item. The argument responses
must be a String[][] array of arrays containing as many values as the number of inputs
in the checkbox grid. A null element for a non-required checkbox grid question
indicates no response to that row. Throws an exception if any of the values does not match a
valid choice.
Parameters
| Name | Type | Description | 
|---|---|---|
| responses | String[][] | an array of arrays of valid answers for this checkbox grid item | 
Return
Item — 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
Checkbox — a duplicate of this Checkbox, 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
getColumns() 
Gets the values for every column in the grid.
Return
String[] — an array of column values, which respondents see as labels when viewing the form
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 Image, Page, and Section).
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
getRows() 
Gets the values for every row in the grid.
Return
String[] — an array of row values, which respondents see as labels when viewing the form
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 Section).
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() 
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
setColumns(columns) 
Sets the columns of the grid based on an array of values. Throws an exception if the given array is empty.
Parameters
| Name | Type | Description | 
|---|---|---|
| columns | String[] | an array of column values, which respondents see as labels when viewing the form | 
Return
Checkbox — this item, for chaining
Throws
Error — if the given array is null or empty
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 Image, Page, and Section).
Parameters
| Name | Type | Description | 
|---|---|---|
| text | String | the new help text | 
Return
Checkbox — this Checkbox, 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
Checkbox — 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
setRows(rows) 
Sets the rows of the grid based on an array of values. Throws an exception if the given array is empty.
Parameters
| Name | Type | Description | 
|---|---|---|
| rows | String[] | an array of row values, which respondents see as labels when viewing the form | 
Return
Checkbox — this item, for chaining
Throws
Error — if the given array is null or empty
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 Section).
Parameters
| Name | Type | Description | 
|---|---|---|
| title | String | the new title or header text | 
Return
Checkbox — this Checkbox, 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 grid item. Passing in null or a validation without any require functions called will remove any prior validation.
Parameters
| Name | Type | Description | 
|---|---|---|
| validation | Checkbox | a CheckboxGridValidation to apply to this item. | 
Return
Checkbox — this Checkbox, 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