Here, it explains how to induct ChatPlus to Cybozu Kintone.
Copy chat window code
(1)Click the setting button on the upper right of the management page.
(2)Click [General setting]>[Chat window] on the left side of the screen.
(3)Copy tags between「 <scrpt>」「 </script>」in the section "Chat window".
Create JavaScript file
(1)Open text editor like sticky notes to paste the code you copied in [Copy chat window code](3).
(2)Save expansion as「.js」.
Induct to Cybozu Kintone
(1)Log into Cybozu Kintone
(2)Click [Setting mark]>[Kintone system management] at the top right of the screen.
(3)Click [Customize]>[Customize by JavaScript/CSS]
(4)Choose JavaScript file for PC which you created in [Upload and add] and click [Save].
(5)Access site and check to see if the chat is displayed.