It was not immediately apparent to me either, since it's not something that's written on the home screen, and only shows up when you select Share Screen.  No article mentions that you have to look for it, in the Share screen tab. A few people on my e...

   I think they were referring to thisIt is also described in https://help.webex.com/en-us/article/nf29igm/Webex-App-%7C-Manually-Connect-to-Cisco-Webex-Devices    I suspect it may be the code that appears at the bottom of the screen on the device, ...