Recording with only speaker being recorded using a shared screen

[Pg5]

I need to record a shared screen video with me the speaker/host only being recorded and not a line of participants on the right side. When I click the button in the right corner show small active speaker video,  a participant appears, not me the host. HELP!

[Pg5]

Thank you, but not sure why you add that link above on the word "check". People reading the above, the link is not helpful nor related to the issue.