#Save Payment Method with additional Data (show custom field on payment check)
More infos visit our magento 2 blog post: http://ibnab.com/en/blog/magento-2
Or Visit our store : http://store.ibnab.com ##Manual installation :
download from github
past in your folder app/code
enable extension in app/etc/config.php by adding 'Ibnab_Additional' => 1,
and execute the command php bin/magento setup:upgrade