[Quickfix-users] how to give inputs after clent has logged in?

[<ve...@sm...>]

Hi,
      I am Veeresh working as business analyst.I am novice trader.
Recently I downloaded quickfix .I don't know how to use it.
I have gone through pdf's,doc's 

I have complied & run the examples that are given.
 
I would like to get more information on 
 * Can anybody knows how to give inputs after clent has logged in?

Thanks 
Veeresh