When you create a WorkSession, a copy of the application-wide default assembly settings (as specified in web.config) is made and assigned to this property of the AnswerCollection. If the host app customizes these DefaultAssemblyOptions, each subsequent document generated in the WorkSession will inherit those customized settings.

public AssembleDocumentSettings DefaultAssemblySettings { get; private set; }

public AssembleDocumentSettings DefaultAssemblySettings { get; private set; }