TYPO3 Command Line change tx_templavoila_flex to custom_ext

<?php
namespace Vendor\BiozentrumAccordion\Command;
use \TYPO3\CMS\Core\Utility\GeneralUtility;

/**
 * class AccordionCommandController
 *
 */
class AccordionCommandController extends \TYPO3\CMS\Extbase\Mvc\Controller\CommandController
{
	/**
	 * php typo3/cli_dispatch.phpsh extbase biozentrum_accordion:accordion:accordion --dry-run=1
	 * Migrate default content Templavoilà objects to default textpic elements
	 *
	 * @param integer $templavoilaObjectId
	 * @param boolean $dryRun Dry run
	 * @return void
	 */
	public function accordionCommand($templavoilaObjectId = 10, $dryRun = true)
	{
		$where = ' ';
		//$where .= 'AND uid = 4587';

		$res = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows(
			'uid,pid, tstamp,crdate,ExtractValue(tx_templavoila_flex, \'T3FlexForms/data/sheet/language/field[@index="field_inhalt"]/value[@index="vDEF"]\') as bodytext, ExtractValue(tx_templavoila_flex, \'T3FlexForms/data/sheet/language/field[@index="field_title"]/value\') as subheader, sys_language_uid,l18n_parent,\'biozentrumaccordion_accordion\' as CType',
			'tt_content',
			'tx_templavoila_ds = ' . intval($templavoilaObjectId) . ' AND tx_templavoila_to = 11'. $where,
			'',
			'l18n_parent ASC'
		);



		foreach($res as $index => $result) {
			$uid = $result['uid'];
			$result['bodytext'] = htmlspecialchars_decode($result['bodytext']);
			$this->updateContent($uid, $result, $dryRun);
		}
	}

	/**
	 *
	 * @param integer $uid
	 * @param array $result
	 * @param boolean $dryRun
	 */
	private function updateContent($uid = 0, $result, $dryRun) {
		$updateWhere = 'uid = ' . $uid;

		if (!$dryRun) {
			$GLOBALS['TYPO3_DB']->exec_UPDATEquery(
				'tt_content', $updateWhere, $result
			);
		} else {
			echo $GLOBALS['TYPO3_DB']->UPDATEquery(
				'tt_content', $updateWhere, $result
			),';', chr(10);
		}
	}
}

<?php
$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['extbase']['commandControllers'][] = 'Vendor\\BiozentrumAccordion\\Command\\AccordionCommandController';