code: public function update(array $values)
      {
          $updated = 0;
  
          $modelKey = $this->getModel()->getKey();
          $modelKeyName = $this->model->getKeyName();
  
          $values = $this->addUpdatedAtColumn($values);
          list($values, $i18nValues) = $this->filterValues($values);
  
          $ids = $modelKey ? [$modelKey] : $this->pluck($modelKeyName)->all();
  
          if($values) {
              $updated += $this->updateBase($values, $ids);
          }
  
          if($i18nValues) {
              $updated += $this->updateI18n($i18nValues, $ids);
          }
  
          return $updated;
      }
docs: Update a record in the database.
  
  @param  array  $values
  @return int