Limit Search to a Google Drive Folder?

First time trying to connect to a Google Drive.
I was pleased with myself that I got a pipeline to Search Google Drive and return a file name (yay!) and an ID (yay!) and then I was able to make this formula 

"https://drive.google.com/open?id=" & [ID]

 and lo and behold the file opened up.

But how do I limit the search to a particular folder?  Right now its searching every file which I have access to in Google Drive.    I see a box to enter a folder but I don't know what syntax to use in that box. 




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Mark Shnier (YQC)
mark.shnier@gmail.com
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