Type::updateAction

public function updateAction(\Bitrix\Crm\Model\Dynamic\Type $type, array $fields): ?array
{
	$originalFields = $fields;
	$fields = $this->convertKeysToUpper($fields);
	$isNew = $type->getId() <= 0;
	$restriction = RestrictionManager::getDynamicTypesLimitRestriction();
	if ($isNew && $restriction->isCreateTypeRestricted())
	{
		$this->addError($restriction->getCreateTypeRestrictedError());
		return null;
	}
	if (!$isNew && $restriction->isTypeSettingsRestricted($type->getEntityTypeId()))
	{
		$this->addError($restriction->getUpdateTypeRestrictedError());
		return null;
	}
	unset($fields['ID']);
	if (isset($fields['TITLE']))
	{
		$fields['TITLE'] = trim($fields['TITLE']);
	}
	if(!$isNew)
	{
		unset($fields['ENTITY_TYPE_ID'], $fields['NAME']);
	}
	foreach($fields as $name => $value)
	{
		if($type->entity->hasField($name))
		{
			$type->set($name, $value);
		}
	}

	$result = $type->save();
	if($result->isSuccess())
	{
		$this->saveConversionMap($type->getEntityTypeId(), $fields);
		if ($type->getIsUseInUserfieldEnabled())
		{
			$this->saveLinkedUserFields(\CCrmOwnerType::ResolveName($type->getEntityTypeId()), $originalFields);
		}
		$relationsResult = $this->saveRelations($type->getEntityTypeId(), $fields);
		if (!$relationsResult->isSuccess())
		{
			$this->addErrors($relationsResult->getErrors());
		}

		$customSectionsResult = $this->saveCustomSections($type, $fields);
		if (!$customSectionsResult->isSuccess())
		{
			$this->addErrors($customSectionsResult->getErrors());
		}

		$result = $this->getAction($type);
		if (is_array($result) && ($this->getScope() === static::SCOPE_AJAX))
		{
			$result['urlTemplates'] = Container::getInstance()->getRouter()->getTemplatesForJsRouter();
			$result['isUrlChanged'] = $customSectionsResult->getData()['isCustomSectionChanged'] ?? false;
		}

		return $result;
	}

	$this->addErrors($result->getErrors());
	return null;
}