HTTP adapter post prolog question.
I have a scenario where I need to send an XML message through the HTTP adapter (no SOAP) to an external service. THE HTTP Service requires a user password as parameters to be passed in order to process the message. Since HTTP adapters is doing only POST I used the prolog in order to pass these parameters (&user=xxx&password=XXXX) but i get a 401 error. In order to test I created a static HTML form with hidden inputs the user and password variable and did a POST (using iexplorer) and it worked!!! Am I doing something wrong?? Isn't the prolog filed in the adapter suppose to do the same ?? i.e. post two variable user, and password??? How does the prolog field worked? Any help will be appreciated.