Hi Jana
Perhaps you can try something like this

Add a "helper" field to grab the first value - I'm using FirstUOM.
On the UOM field in the table, add a rule something like this

It sets FirstUOM to the first UOM value in the table only once - only if FirstUOM is not blank.
Then make the default value for the table UOM to be FirstUOM

Then when you insert new rows, it uses the default value, like:

Hope that gives you an idea.
Sigrid
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Sigrid Kok
PSE | Winshuttle NA
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