public function hints()
{
return array_merge(parent::hints(), ['providerList' => 'Choose the providers to be used.', 'viewPath' => 'Output path for view files, eg. <code>@backend/views/crud</code>.', 'pathPrefix' => 'Customized route/subfolder for controllers and views eg. <code>crud/</code>. <b>Note!</b> Should correspond to <code>viewPath</code>.', 'modelMessageCategory' => 'Model message categry.'], SaveForm::hint());
}