Controller::updateAction

public function updateAction(): ?array
{
	$entityId = $this->forward($this, self::UPDATE_INTERNAL_ACTION);
	if ($this->getCriticalErrors())
	{
		return null;
	}

	return [
		'entityId' => $entityId,
		'load' => $this->createLoadResponse(),
		'title' => $this->getEntityTitle(),
		'header' => $this->getEntityHeader(),
	];
}