fail() public method

Temporarily switch model to failed workflow and allow supervisor to take control.
public fail ( Erro\Error | Exceptio\Exception $ex, mixed[] $params = [] )
$ex Erro\Error | Exceptio\Exception
$params mixed[]
 /**
  * @override
  * @inheritDoc
  */
 public function fail($ex, $params = [])
 {
     $this->model->fail($ex, $params);
 }