/** * Populate form fieldset with group data * * @param \Magento\Framework\Data\Form\Element\Fieldset $fieldset * @return void */ public function populateFieldset(\Magento\Framework\Data\Form\Element\Fieldset $fieldset) { $originalData = []; foreach ($this->_data as $key => $value) { if (!is_array($value)) { $originalData[$key] = $value; } } $fieldset->setOriginalData($originalData); }