public property IsbnConstraint::$message in ISBN Field 8

Message shown when an invalid ISBN number is provided.

Type: string

File

src/Plugin/Validation/Constraint/IsbnConstraint.php, line 22

Class

IsbnConstraint

Validation constraint for the ISBN field.

Namespace

Drupal\isbn\Plugin\Validation\Constraint

Code

public $message = 'The value provided isn\'t a valid ISBN number.';