--- title: Learn SAP from the Experts | The SAP PRESS Blog | Jörg-Michael Grassau description: Jörg-Michael Grassau is a senior developer for SAP S/4HANA Cloud at SAP. After joining SAP in 2019, he started to develop ABAP cleaner in December 2020 based on his own needs in ABAP development. The project was then released as InnerSource at SAP in December 2021 and published as Open Source in April 2023. --- [![rheinwerk-sappress-logo-header-1](https://blog.sap-press.com/hubfs/rheinwerk-sappress-logo-header-1.svg)](https://blog.sap-press.com/) [Blog](https://blog.sap-press.com) - Books - Get an overview of our books and courses on every relevant SAP topic. - [Programming](https://sap-press.com/programming/) - [Administration](https://sap-press.com/administration/) - [BI](https://sap-press.com/business-intelligence/) - [Finance](https://sap-press.com/finance-controlling/) - [Logistics](https://sap-press.com/logistics/) - [HR](https://sap-press.com/human-resources/) - [CRM & Sales](https://sap-press.com/marketing-sales/) - [HANA](https://sap-press.com/hana/) - [Introductions](https://sap-press.com/introductions/) - [E-Bites](https://sap-press.com/e-bites/) - [Certification Guides](https://www.sap-press.com/certification-guides/) - [Rheinwerk Courses](https://www.sap-press.com/online-courses/) - Book Subscription - Get unlimited access to all SAP PRESS books! - [SAP PRESS Subscription](https://sap-press.com/subscriptions/) ![](https://blog.sap-press.com/hs-fs/hubfs/Exploring%20the%20Architecture%20of%20the%20SAP%20Digital%20Payments%20Add-On.jpg?width=1000&name=Exploring%20the%20Architecture%20of%20the%20SAP%20Digital%20Payments%20Add-On.jpg) [FICO](https://blog.sap-press.com/tag/fico) | Featured article ## [Exploring the Architecture of the SAP Digital Payments Add-On](https://blog.sap-press.com/exploring-the-architecture-of-the-sap-digital-payments-add-on) The SAP digital payments add-on is a cloud-based middleware component hosted on SAP BTP. ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/exploring-the-architecture-of-the-sap-digital-payments-add-on) ![Jörg-Michael Grassau](https://blog.sap-press.com/hubfs/J%C3%B6rg-Michael%20Grassau.jpg) **Jörg-Michael Grassau** Jörg-Michael Grassau is a senior developer for SAP S/4HANA Cloud at SAP. After joining SAP in 2019, he started to develop ABAP cleaner in December 2020 based on his own needs in ABAP development. The project was then released as InnerSource at SAP in December 2021 and published as Open Source in April 2023. # Blogs by Jörg-Michael Grassau [![How to Clean Your ABAP Code with One Keystroke Using ABAP Cleaner](https://blog.sap-press.com/hs-fs/hubfs/How%20to%20Clean%20Your%20ABAP%20Code%20with%20One%20Keystroke%20Using%20ABAP%20Cleaner.png?height=600&name=How%20to%20Clean%20Your%20ABAP%20Code%20with%20One%20Keystroke%20Using%20ABAP%20Cleaner.png)](https://blog.sap-press.com/how-to-clean-your-abap-code-with-one-keystroke-using-abap-cleaner) [Programming](https://blog.sap-press.com/tag/programming) ## [How to Clean Your ABAP Code with One Keystroke Using ABAP Cleaner](https://blog.sap-press.com/how-to-clean-your-abap-code-with-one-keystroke-using-abap-cleaner) As an ABAP developer, could you imagine a world without Pretty Printer or ABAP Formatter? ![Jörg-Michael Grassau](https://blog.sap-press.com/hubfs/J%C3%B6rg-Michael%20Grassau.jpg) by [Jörg-Michael Grassau](https://blog.sap-press.com/author/jörg-michael-grassau) [Read More](https://blog.sap-press.com/how-to-clean-your-abap-code-with-one-keystroke-using-abap-cleaner) ### SAP Blog Topics - [All SAP Topics](https://blog.sap-press.com) - [Logistics](https://blog.sap-press.com/tag/logistics) - [Programming](https://blog.sap-press.com/tag/programming) - [FICO](https://blog.sap-press.com/tag/fico) - [Administration](https://blog.sap-press.com/tag/administration) - [Featured](https://blog.sap-press.com/tag/featured) - [Business Intelligence](https://blog.sap-press.com/tag/business-intelligence) - [What Is?](https://blog.sap-press.com/tag/what-is) - [CRM & Sales](https://blog.sap-press.com/tag/crm-sales) - [Video](https://blog.sap-press.com/tag/video) - [Human Resources](https://blog.sap-press.com/tag/human-resources) **Subscribe to our blog!**Get notified about future blog updates. - - - - - ### Most Popular Blog Posts 1. 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