A first page

// Models/IArticle.cs: a content type is an interface; Relatude.DB writes the class
using Relatude.CMS.Models;
using Relatude.DB.Nodes;

namespace MySite.Models;

public interface IArticle : IPage {
    [HtmlProperty] string Body { get; set; }
}

// Program.cs
using MySite.Models;
using Relatude.DB.Datamodels;

var builder = WebApplication.CreateBuilder(args);
builder.AddRelatudeDB(o => o.OnDatamodelInit = (dm, _) => {
    dm.AddCmsContentModel();      // IItem, IPage, the templates and what they build on
    dm.Add<IArticle>();           // the site's own types
});
builder.AddRelatudeCMS()
    .AddMvcRendering()
    .AddRendering(o => o.RenderRazorView<IArticle>());   // articles render with the view "Article"

var app = builder.Build();
app.UseRelatudeCMS();
app.MapRelatudeCMS();
app.Run();

@* Views/Shared/Article.cshtml *@
@using MySite.Models
@model IArticle
<h1>@Model.Name</h1>
@Html.Raw(Model.Body)

builder.AddRelatudeDB(o => o.OnStoreOpenBackground = db => {
    if (db.Query<IArticle>().Count() > 0) return;
    var article = db.CreateAndInsert<IArticle>(a => { a.Name = "Hello world"; a.Body = "<p>It works.</p>"; });
    db.UpdateAddress(article.Id, "hello-world");
});