Use/Expose DataAsset entries in another DataAsset on editor... Possible?

Hi!

Does anyone knows how I could declare a Property on my DataAsset (the 2nd one) to read the content from other DataAsset (1st)?
Something like this…

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The trouble is that I couldn’t use an enum on this situation since I don’t know how much “base entries” I’ll have in the end and by some tries, everytime I change an enum and recompile I need to go on all places where I’ve used and set them again.

Thank you.