These blocks need to be used, but the directory will be created, changed, or deleted in the given path, which is given by you when you create an FTP account.
Like my given path is /home/u994249624/domains/your_domain/public_html/data
then the directory will be created in data folder. and the final path is /home/u994249624/domains/your_domain/public_html/data/aman
FOR MORE DETAILS [GUIDE] How to use FTP?