How do I integrate my form with an existing Google drive folder and a subfolder within that folder

How do I integrate my form with an existing Google drive folder and a subfolder within that folder?

I could be more specific with drive folder selection when I last did it

How do I integrate my form with an existing Google drive folder and a subfolder within that folder?

Currently it is not possible to use existing drive folder and sub-folder when using the Google drive integration feature.

You will have to create the folder name in the integration process. 

Please check also the user guide : How to Integrate a Form with Google Drive