Iban checker from Outsystems template :

https://success.outsystems.com/documentation/outsystems_developer_cloud/building_apps/extend_your_apps_with_custom_code/external_libraries_sdk_readme/

https://github.com/OutSystems/OutSystems.ExternalLibraries.SDK-templates/blob/main/basic_template.zip?utm_source=ost-outsystems%20tools&utm_medium=ost-portal&utm_campaign=ost-docrouter&utm_content=ost-helpid-30458&utm_term=ost-contextualhelp