In a V8 partial how can we get the Root and siblings when co

Question

In a V8 partial how can we get the Root and siblings when coding a partial I ve tried ```Model Root Siblings FirstOrDefault x => x ContentType Alias == myDocTypeAlias ``` the Root turns red and ```Umbraco Web Composing Current UmbracoHelper ContentAtRoot FirstOrDefault x => x ContentType Alias == myDocTypeAlias ``` the Web turns red Is there a using I m missing maybe Model in this instance is a surface ViewModel Panic over ```Umbraco ContentAtRoot FirstOrDefault x => x ContentType Alias == myDocTypeAlias ```