Struct Category Groups – Unreal Engine
In panels like Details or the DataTable row editor, Unreal ignores Category = “…” grouping for UPROPERTY members inside a nested C++ struct — everything renders as one flat list instead of collapsible groups. The usual workaround is splitting fields into nested sub-structs, but that only groups one layer deep and isn’t always desirable.
Struct Category Groups restores real N-layers-deep grouping from your existing Category metadata, so you can avoid nested structs when you don’t actually need them.
NOTE: This plugin is for C++ structs only. See documentation for further explanation.
Unreal Engine versions: 5.6 – 5.8
HOW TO USE:
Add meta = (UseCategoryGroups) to the struct declaration itself: USTRUCT(…, meta = (UseCategoryGroups)).
Use Category = “Foo” on your UPROPERTY fields as normal. Use | for sub-groups, e.g. Category = “Foo|Bar”. Nest as deep as you like.
Right click on the category in the Unreal editor to choose a color from your own set color palette. Set the category style in the project settings.
The struct itself can be colored as well.
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