Developing a mobile chat app without coding - 100% codeless

Check out a mobile chat app built without any coding using Dropsource and Backendless. The video contains a demo of the app and an overview of how it is built, it reviews both the client-side (Dropsource) and the server-side (Backendless).

[mrbdrm]

thanks for the video. but how can we make the chat list refresh with push notifications only when there is new message to the channel we superscribed to.
so we don't request every second