addArgument('arg1', InputArgument::OPTIONAL, 'Argument description') ->addOption('option1', null, InputOption::VALUE_NONE, 'Option description') ; } protected function execute(InputInterface $input, OutputInterface $output): int { $io = new SymfonyStyle($input, $output); $arg1 = $input->getArgument('arg1'); if ($arg1) { $io->note(sprintf('You passed an argument: %s', $arg1)); } if ($input->getOption('option1')) { // ... } $io->success('You have a new command! Now make it your own! Pass --help to see your options.'); return Command::SUCCESS; } }