How to change owncloud data directory to my linux partion?

I have configure owncloud cloud server to my ubuntu 17.04
I want to store my user data to specific partion in ubuntu?

How i can change the owncloud data directory to my specific ubuntu partion?

Expert help needed!

Seems there is a documentation available at https://doc.owncloud.org/server/10.0/admin_manual/maintenance/manually-moving-data-folders.html

I am a new user of owncloud & ubuntu
actually i want move all of my user backup data to my created ubuntu partion /home
cause i have created 400GB data partition /home for store my user backup data
i want to know the command to connect with /home partition for store backup data

thnx