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);

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

Sets the character limit of the widget.

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

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.

Validation — This object, for chaining.

Sets the input type of the widget.

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

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

Validation — This object, for chaining.