code: private function createSelectAssociationFormItem(Model $model, Column $column, $item) {
          $result = new SelectFormItem();
  
          $relations = $this->aujaConfigurator->getRelationsForModel($model);
          $relatedModel = null;
          foreach ($relations as $relation) {
              $rightModel = $relation->getRight();
              if (starts_with($column->getName(), camel_case($rightModel->getName()))) {
                  $relatedModel = $rightModel;
              }
          }
  
          if ($relatedModel != null) {
              $displayName = $this->aujaConfigurator->getDisplayName($relatedModel);
              $result->setName($displayName);
  
              $result->setValue($item->id);
  
              $items = call_user_func(array($relatedModel->getName(), 'all'));
              $displayField = $this->aujaConfigurator->getDisplayField($relatedModel);
              foreach ($items as $item) {
                  $label = isset($item->$displayField) ? $item->$displayField : '';
                  $value = $item->id;
  
                  $option = new SelectOption($label, $value);
                  $result->addOption($option);
              }
          }
  
          return $result;
      }
docs: Returns a `SelectFormItem` which is filled with instances of the model given `Column` represents.
  
  @param Model     $model  The `Model` which contains given `Column`.
  @param Column    $column The `Column` which represents a related model.
  @param \Eloquent $item   The instance to retrieve information from for filling the `SelectFormItem`.
  
  @return SelectFormItem The created `SelectFormItem`.