I using "text" the correct way to add folders and row values together?

Hi! I strugled a little bit in the Copy File activity. I found myself using the “Text” feature in order to indicate the folder after indicating the “Current row”+specific cell. Is this really how it´s done?

Can you please share any screenshot of exception?

Annotation 2020-05-04 105411

is this right? using Text Builder to specify the path and currentrow_value? any better way to do it?