How to open a bot in fullscreen on Wix.com

Hello, I would like to implement my chatbot on Wix. I would like it to open in fullscreen mode and load with my first question.

Can you tell me how I can do this ?

In order to do that, you need to set up a few things in Publish > Web/Livechat > User behavior management

You need to select these two options :

Then Design Personnalization > Size and Positioning > Full screen conversation :

Then you can follow these guidelines to install your script on Wix :

That should do the trick.