How to check if a data item is empty in Blueprism

Question

I want to check if a data item is empty or not. I am storing some values from clipboard into a data item and want to check if data item is empty or contains some text.

Answer 1

What I've done is determine the length:

(Len([Cost Centre])>0) AND
(Len([Quantity])>0) AND
(Len([Product Code])>0) AND
(Len([Unit Price])>0)