I had created a meeting app and want to add participants option in it

Hey everyone i am creating an app like google meet it is working good and i also want to add participants option in it but i dont no where to start and where to end

the logic is

when a meeting is created firebase database should create a tag with meeting code and value should be the name of the person and when someone joins the same meeting firebase database should add the persons name to the entered meeting code value and should update every time someone joins and the participants should appear on listview.

please help

N.Sai Athulith

From which website you are making

i am not using any website

i am using html code

Which code

I can help you please tell

i used html code written by agora and modified by jarlissonlira2
here you go the link : Video call [FREE]: Using Agora.io