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TMap key can't be set using bulk property matrix?

My project uses lots of UDataAsset objects. The bulk edit property matrix has been immensely useful to manage all this data. I've now added a TMap to the UDataAsset, and would also like to edit it using the matrix, so I don't have to trudge through all objects manually.

However, it seems that I can't assign the key of the TMap within the property matrix. As you can see in the image, the key field is not available, though the string representation of the TMap entry shows an empty string as key. I can't add more values, because this isn't allowed as long as there is a default key. It seems that this is simply missing in the bulk edit property matrix.

alt text

Product Version: UE 4.18
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asked Feb 02 '18 at 10:51 AM in Using UE4

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Lhorkan
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