ProFTPD SFTP virtual users redirected to www

How to redirect virtual users to the www data folder ?

nano /etc/ssh/sshd_config

Decomment this line :

Subsystem sftp /usr/lib/openssh/sftp-server

Add :

Match Group sftp_users
  X11Forwarding no
  AllowTcpForwarding no
  ChrootDirectory /var/www
  ForceCommand internal-sftp

Add the user group sftp_users :

groupadd sftp_users

Add the SFTP user to this usergroup :

usermod -G sftp_users username
systemctl restart ssh