Here, it explains how to induct Chat Plus to MakeShop.
Copy the chat window code
(1) Log into Chat Plus and click on the setting button on the upper right of the management page.
(2) Click on [General setting]>[Chat window] on the left side of the screen.
(3) Copy tags within the red box in the section [Chat window].
Induct to MakeShop
(1) Log into MakeShop.
(2) Click on [Original design].
(3) Click on [Center of the screen (Top page)].
(4) Paste the code you copied at the end of HTML source and click on [Save].
(5) Click on [See shops] and check to see if the chat is displayed.