FieldRepository::getCreatedBy

public function getCreatedBy(
	string $fieldName = Item::FIELD_NAME_CREATED_BY,
	bool $feminine = false
): ScalarField
{
	$messageCode = 'CRM_TYPE_ITEM_FIELD_CREATED_BY';
	$this->prepareMessageCode($messageCode, $feminine);

	return
		(new IntegerField($fieldName))
			->configureRequired()
			->configureDefaultValue(static function () {
				return Container::getInstance()->getContext()->getUserId();
			})
			->configureTitle(Loc::getMessage($messageCode))
	;
}