Hey there @kuekua! If you’re already a developer that qualifies for Sony’s developer program, here’s some links that might be useful. The first is to apply for the Sony developer program, and if you’re approved the console access request form, and then finally a tutorial on how to set it up. Hope this helps!
Disclaimer: One or more of these links are unaffiliated with Epic Games. Epic Games is not liable for anything that may occur outside of this Unreal Engine domain. Please exercise your best judgment when following links outside of the forums.
Become a Sony partner:
How to link your partnership and request SDK from Epic:
https://dev.epicgames.com/community/learning/knowledge-base/LJdb/requesting-console-platform-access-for-unreal-engine
Some tips and setup for the SDK once you’re approved: