Как создать транзакцию в Spring

@Service
public class UserService {
    @Autowired
    private UserRepository userRepository;

    @Transactional
    public void transferMoney(Long fromId, Long toId, BigDecimal amount) {
        User from = userRepository.findById(fromId).orElseThrow();
        User to = userRepository.findById(toId).orElseThrow();
        
        from.setBalance(from.getBalance().subtract(amount));
        to.setBalance(to.getBalance().add(amount));
        
        userRepository.save(from);
        userRepository.save(to);
    }
}