Class Validation

An object that defines the validation rule for the widget that it is attached to.

Available for Google Chat apps and Google Workspace Add-ons.

const validation = CardService.newValidation()
    .setCharacterLimit('10')
    .setType(CardService.InputType.TEXT)
    .setWeight(400)
    .setGrade(0);

Methods

Method	Return type	Brief description
`setCharacterLimit(characterLimit)`	`Validation`	Sets the character limit of the widget.
`setInputType(inputType)`	`Validation`	Sets the input type of the widget.

Detailed documentation

`setCharacterLimit(characterLimit)`

Sets the character limit of the widget.

Available for Google Chat apps and Google Workspace Add-ons.

Parameters

Name	Type	Description
`characterLimit`	`Integer`	The character limit to set. Note that this restriction is only effective for `TextInput` and is ignored for other widgets.

Return

Validation — This object, for chaining.

`setInputType(inputType)`

Sets the input type of the widget.

Available for Google Chat apps and Google Workspace Add-ons.

Parameters

Name	Type	Description
`inputType`	`InputType`	The `InputType` to set.

Return

Validation — This object, for chaining.