Receive Chat Event in my own Web page

Hello everyone i'm working on zoom web SDK component view.i have my own page where i'm opening zoom video i have my own custom buttons for zoom functionalities i have make a method to send chat on my web page but i also want to receive other user chat message i don't know what is the correct event for this also i don't know what are the settings i have to enable right now i'm using simple developer account kindly help me in this to sort this issue