setName('exit') ->setAliases(['quit', 'q']) ->setDefinition([]) ->setDescription('End the current session and return to caller.') ->setHelp( <<<'HELP' End the current session and return to caller. e.g. >>> exit HELP ); } /** * {@inheritdoc} */ protected function execute(InputInterface $input, OutputInterface $output) { throw new BreakException('Goodbye'); } }