Andrew Fray Helps Automate Video Games @andrewfray.dev · Sep 24 1 / 2
data validation dev.epicgames.com/documentatio... works for any uobject. you simply override IsDataValid() and check your state. if you don't control the source, you can derive from UEditorValidatorBase. this is really handy for validating maps, meshes, or any other basic asset type.
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one really nice thing about data validators is that if you make a change that breaks a validator, you'll get notified on save. it's not the most obvious popup, and you can still commit the broken asset, but it's zero friction. this is super useful and important!