With the drive towards as much data-driven gameplay as possible, there comes a need for easy to edit and nice to interact with data assets that can accommodate all that data. While Unreal Engine 4’s UI framework allows us to display a wide range of data structures, its default handling of nested properties can quickly result in deeply nested structures that need to be expanded in order to edit them. This can really hurt productivity in some scenarios. Fortunately, we have the ability to fully customize how our data is laid out. While there are nice tutorials all around the web that explain how to customize our custom classes and structs, I’ve not been able to find an article that would explain how one would go about customizing how collection types display their data. In this article I will describe how to customize the display of an array property in UE4. I will follow it with the one for customizing maps display in the near future. Defining the issue I intend to explain the pr