BPM "Specify Value" Widget

I am writing a very simple BPM on Quote.Update/Pre-Processing and I want to place a condition if the ttQuoteDtl.DrawNum field changed from empty to not empty.

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Should I use, for my first “empty” requirement, “Null Value” or should is there a way to specify an empty string via the “Value” field? I don’t think that the value is actually null in the db, which is why I’m a little hesitant on this one.

I would say Changed from Any to Any and is not equal to “”

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Like this?

Yup, though if you want to be super proper instead of “” use String.Empty

I’m all about being super proper lol