<?php namespace SilverStripe\Forms\Tests\FormTest; use SilverStripe\Dev\TestOnly; use SilverStripe\Forms\CheckboxField; use SilverStripe\Forms\Form; /** * @skipUpgrade */ class ExtraFieldsForm extends Form implements TestOnly { public function getExtraFields() { $fields = parent::getExtraFields(); $fields->push(new CheckboxField('ExtraFieldCheckbox', 'Extra Field Checkbox', 1)); return $fields; } }