function FormTestGroupVerticalTabsForm::validateForm

Overrides FormBase::validateForm

File

core/modules/system/tests/modules/form_test/src/Form/FormTestGroupVerticalTabsForm.php, line 57

Class

FormTestGroupVerticalTabsForm

Builds a simple form to test the #group property on #type 'vertical_tabs'.

Namespace

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
    if ($form_state->getValue('element_2') === 'bad') {
        $form_state->setErrorByName('element_2', $this->t('there was an error'));
    }
}