use SymfonyComponentConsoleCommandCommand;
use SymfonyComponentConsoleInputInputArgument;
use SymfonyComponentConsoleInputInputInterface;
use SymfonyComponentConsoleOutputOutputInterface;
use VendorModuleModelAmountFactory;

class AddItem extends Command
{
const INPUT_KEY_ACTION = 'Credit';
const INPUT_KEY_REFERENCE = 'Amount has been credited';
//const INPUT_KEY_AMOUNT = 50;

private $amountFactory;

public function __construct(AmountFactory $amountFactory)
{

  $this->amountFactory = $amountFactory;
  parent::__construct();

}

protected function configure()
{

   $this->setName('example:credit:refund')
   ->addArgument(
    self::INPUT_KEY_ACTION,
    InputArgument::REQUIRED,
    'Action name'
   )->addArgument(
    self::INPUT_KEY_REFERENCE,
    InputArgument::REQUIRED,
    'Action Reference'
   );
   //$this->setDescription('Demo console command');

   parent::configure();
   }
protected function execute(InputInterface $input, OutputInterface $output)
  {
   $amount = $this->amountFactory->create();
   $amount->setAction($input->getArgument(self::INPUT_KEY_ACTION));
   $amount->setReference($input->getArgument(self::INPUT_KEY_REFERENCE));
   //$amount->setAmount($input->getArgument(self::INPUT_KEY_AMOUNT));
   $amount->setIsObjectNew(true);
   $amount->save();
   return Cli::RETURN_SUCCESS;
 }
 }

<type name="MagentoFrameworkConsoleCommandList">
   <arguments>
       <argument name="commands" xsi:type="array">
           <item name="rhinosCredit" xsi:type="object">VendorModuleConsoleCommandAddItem</item>
       </argument>
   </arguments>