setName('demo:hello') ->addArgument('name', Argument::OPTIONAL, "your name") ->addOption('city', '-c', Option::VALUE_REQUIRED, 'city name') ->setDescription('Say App Hello'); } protected function execute(Input $input, Output $output) { $name = trim($input->getArgument('name')); $city = $input->getOption('city'); $city = $city ? $city : 'China'; $name = $name ? $name : 'ThinkCMF'; $output->writeln("Hello, My name is " . $name . '! I\'m from ' . $city); } }