library/Benri/Rest/Controller/Action.php
protected function _saveModel(Benri_Db_Table_Row &$model, $data = null)
    {
        return parent::_saveModel($model, $data ?: $this->_input);
    }
protected function _saveModel(Benri_Db_Table_Row &$model, $data = null)
    {
        return parent::_saveModel($model, $data ?: $this->_input);
    }
General method to save models (Benri_Db_Table_Row).

@param Benri_Db_Table_Row
@return Benri_Controller_Rest