How to create FTP read-only user in Plesk?

Log into Plesk.

Create an FTP account at Domains > example.com > FTP access > Add an FTP account page.

Check user's home directory at Domains > example.com > FTP access > johndoe > Home directory page.

Create a file called .ftpaccess in the home directory from previous step at Domains > example.com > File Manager > + > Create File.

Add the following lines to the .ftpaccess file:

<Directory /var/www/vhosts/example.com/httpdocs/directory_name>
     <Limit CWD PWD DIRS READ>
         AllowUser johndoe
     </Limit>
     <Limit ALL>
         DenyUser johndoe
     </Limit>
 </Directory>

Where directory_name is the home directory from step 3 and johndoe username of the FTP user.