Multiple responses based on request type

c#

public class CountryModel
{
    public string Code { get; set; }
    public string Name { get; set; }
}

public class CountrieslistHandler
{
    public IResult Get()
    {
        // In real life, maybe this list will come from some service call that just gives you back the List<T>.
        
        var countries = new List<CountryModel>
        {
            new CountryModel { Code = "AF", Name = "Afghanistan" },
            new CountryModel { Code = "AO", Name = "Angola" },
            new CountryModel { Code = "BY", Name = "Belarus" },
            new CountryModel { Code = "FR", Name = "France" },
        };

        //this is pseudo code, not sure what the actual methods / properties are...
        if (request.type = "json"){
           return Result.Json(countries);
        }
        if (request.type = "html")
        {
           return View.Spark(countries, "View/Counties.spark");
        }
    }
}