/**
* {@inheritdoc}
*/
public function validateData(\Magento\Framework\DataObject $dataObject)
{
$result = parent::validateData($dataObject);
if ($result === true) {
$result = [];
}
$action = $dataObject->getData('simple_action');
$discount = $dataObject->getData('discount_amount');
$result = array_merge($result, $this->validateDiscount($action, $discount));
return !empty($result) ? $result : true;
}
