builder.Services.AddCouchbase(options =>
{
    options.ConnectionString = "couchbase://localhost";
    options.UserName = "Administrator";
    options.Password = "password";
});

// this adds auth to CMSprinkle
// if don't do this, it will be local only
// ExampleAuthClass enables anonymous public access, so don't use it as-is!
// builder.Services.AddTransient<ICMSprinkleAuth, ExampleAuthClass>();

// this adds CMSprinkle to your project
builder.Services.AddCMSprinkle(options =>
{
    // changes URL for cmsprinkle pages
    // if not specified, default is "cmsprinkle"
    // then URLs would be /cmsprinkle/home, etc
    options.RoutePrefix = "managecontent";

    // what message you want to show up when the
    // content hasn't been created yet
    // there is a default message if you don't specify this
    options.ContentNotFoundMessage = (contentKey) => $"ERROR: Can't find {contentKey}, did you add it yet?";
});

// this adds a Couchbase connection to CMSprinkle
builder.Services.AddCMSprinkleCouchbase("Example","_default","_default", createCollectionIfNecessary: true);

// or here's the SQLServer provider
// builder.Services.AddCMSprinkleSqlServer("Server=localhost;Database=Example;User Id=sa;Password=yourStrong(!)Password;TrustServerCertificate=True;", "SprinkleContent", "dbo",  createTableIfNecessary: true);

<div class="text-center">
    <h1 class="display-4">Welcome</h1>
    <p>Learn about <a href="https://learn.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>

    @* this is how you sprinkle managed content into your pages *@
    @* make sure you add CMSPrinkle in _ViewImports.cshtml first *@
    @* this will say "ERROR: Content Not Found (HelloWorld)" until you actually create the content.*@
    <CMSprinkle contentKey="HelloWorld" />
</div>