It would be useful to include chat messages to WhatsApp within the App,
including Groups and Lists Broadcast?
Here for me,I have tried to open whatsapp from my web module and that is possible to do send pre-fix message to a number. Like you want user to message you on whatsapp. But whatsapp does not always come out. It can fail like 30-50%. I don't know if group or list broadcast works. Sending message to a fixed number sure is possible but not very useful.