How create a private chat app using ionic

how create a private chat app using ionic.how can i do.please give me some tutorial or solution.

Thanks in advance .

On this link you can find list of tutorial using ionic3 and firebase to create chat app.

apart from this you can also find some course on udemy for chat app.

@jahanpanahh i have another one question

@jahanpanahh how to connect and fetch data into my app from MS access DB ?

@jahanpanahh there is only explanation of the chat app. but i want source code.