"_SPSiteSetupCode" - Specifies the SharePoint site setup. The maximum number of characters is 20.
"_SiteRecord" - Specifies the record for Site creation. It is often used in dynamic website.
"_ParentSiteRecord" - Specifies the parent record for Site creation. It is often used in dynamic website.
"_ShowMessages" - Allows showing messages during Site creation.
"_SkipWebURLUpdate - Allows skip URL update after site creation. It is often used when developer does not want to update information in NavSherpa from SharePoint.
