TYPO3 Extbase and "Insert records"

Classes_Controller_MyController.php

<?php
namespace DmitryDulepov\Myext\Controller;

class MyController {
	/**
	 * @var \DmitryDulepov\Myext\\Domain\Repository\RecordRepository
	 * @inject
	 */
	protected $recordRepository;

	/**
	 * The usual action to show a single view of the record.
	 * 
	 * @param \DmitryDulepov\Myext\Domain\Model\Record $record
	 * @return void
	 */
	public function showAction(\DmitryDulepov\Myext\Domain\Model\Record $record) {
		if (!$recipe) {
			/** @noinspection PhpUndefinedMethodInspection */
			$GLOBALS['TSFE']->pageNotFoundAndExit(LocalizationUtility::translate('show.notFound', 'myext'));
		}
		$this->view->assign('record', $record);
	}
	
	/**
	 * A special action that is called for "Insert records" only.
	 * 
	 * @return void
	 */
	public function showFromRecords() {
		$contentObject = $this->configurationManager->getContentObject();
		if ($contentObject->data['uid']) {
			$record = $this->recordRepository->findByUid((int)$contentObject->data['uid']);
			$this->forward('show', NULL, NULL, array('record' => $record));
		}
	}
}

Configuration_TCA_tx_myext_table.php

<?php

\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addToInsertRecords('tx_myext_domain_model_record');

// ...

Configuration_TypoScript_setup.txt

tt_content.shortcut.20.tables := addToList(tx_myext_domain_model_record)
tx_myext_domain_model_record < plugin.tx_myext
tx_myext_domain_model_record = USER
tx_myext_domain_model_record {
	userFunc = TYPO3\CMS\Extbase\Core\Bootstrap->run
	pluginName = Pluginname
	extensionName = Myext
	controllerConfiguration {
		MyController {
			actions = showFromRecords,show
		}
	}
	vendorName = DmitryDulepov
	action = showFromRecords
	switchableControllerActions {
		MyController {
			1 = showFromRecords
			2 = show
		}
	}
}

ext_localconf.php

<?php

\TYPO3\CMS\Extbase\Utility\ExtensionUtility::configurePlugin('dmitrydulepov.myext', 'Pluginname', array('MyController' => 'show,showFromRecords'));

// ...