Getting mandatory fields in a webservice query

[joebordes]

You have to use Describe for that. Describe gives you all the meta information of the fields:

https://github.com/tsolucio/coreBOSwsDevelopment/blob/master/testcode/080lib_describe.php

Also in the Webservice Development tool there is a page that uses Describe to show you all that information correctly formatted. (List Types link)