Can i apply H4 for wife while i am going for H1B interview?

USA H1B Visa
1

Hi,

I am first time going to schedule an H1B visa interview on next month. Is it possible to apply H4 visa for my wife and kid at same time. Shall we all 3 can go for the interview at same time. If so what are the documents need to provide.

Please suggest

Thanks,

2

all of you can apply together