Imbo\Model\Error::getImageIdentifier PHP Method

    public function getImageIdentifier()
    {
        return $this->imageIdentifier;
    }

 /**
  * {@inheritdoc}
  */
 public function formatError(Model\Error $model)
 {
     $data = array('error' => array('code' => $model->getHttpCode(), 'message' => $model->getErrorMessage(), 'date' => $this->dateFormatter->formatDate($model->getDate()), 'imboErrorCode' => $model->getImboErrorCode()));
     if ($imageIdentifier = $model->getImageIdentifier()) {
         $data['imageIdentifier'] = $imageIdentifier;
     }
     return $this->encode($data);
 }