You can access the API documentation (JavaDocs) here...
http://help.adobe.com/en_US/enterpriseplatform/10.0/programLC/javadoc/From
the "classes" section (upper left corner) select
com.adobe.livecycle.signatures.clientSelect SignatureServiceClient from
the panel below the classes section.Select the "certify" operation from
the Method Summary pane, this will load a page with links to information
on each of the parameters.Hope this helps.Steve