You can customize chats through the admin panel.
For that, you should prepare JSON on Figma. Use the manual below to go through the process easy and fast.
<aside> 💡 Advice! Remember that it’s not necessary to edit all of the token. You can start with base colours, background styles, and message colours. Possibly, editing the rest wouldn’t be required; they will inherit the palette’s colours by default, and you need them for detailed settings.
</aside>
https://www.figma.com/file/3WldbhgdgTdiAZnr33NXee/Manual-for-chat-customization?type=design&node-id=0%3A1&mode=design&t=0mHmxxZaEt4U3Mwh-1