Build flexible and intuitive UIs for your tools using PyQt and Qt Designer. This series covers everything you need to know to leverage this powerful toolkit in your own tools work and includes content dedicated to both Maya and Unreal. You’ll learn the basics of working with various UI components, how to execute code in your target application, how to get user input with file dialogs, how to load and remove sub widgets, how to collect user data from the UI, and how to dynamically control the appearance of your UI. You can find links to python tool templates for both Maya and Unreal linked in the description of each video. Enjoy!
https://dev.epicgames.com/community/learning/tutorials/aVyX/unreal-engine-pyqt-for-maya-and-unreal