How to change owncloud data directory to my linux partion?

Server
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1

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!

2

Seems there is a documentation available at ownCloud Documentation Overview

3

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