HellIntent.cs

[FunctionName("dot-net-skill")]
public static async Task<IActionResult> Run(
            [HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req,
            ILogger log)
{
    string json = await req.ReadAsStringAsync();
    var skillRequest = JsonConvert.DeserializeObject<SkillRequest>(json);
    return ProcessRequest(skillRequest);
}
private static IActionResult ProcessRequest(SkillRequest skillRequest)
{
    var requestType = skillRequest.GetRequestType();
    SkillResponse response = null;
    if (requestType == typeof(LaunchRequest))
    {
        response = ResponseBuilder.Tell("Welcome to dot net!");
        response.Response.ShouldEndSession = false;
    }
    else if (requestType == typeof(IntentRequest))
    {
        var intentRequest = skillRequest.Request as IntentRequest;
        if (intentRequest.Intent.Name == "Hello")
        {
            response = ResponseBuilder.Tell("Hi dot net Skill!");
            response.Response.ShouldEndSession = false;
        }
    }
    else if (requestType == typeof(SessionEndedRequest))
    {
        response = ResponseBuilder.Tell("See you next time!");
        response.Response.ShouldEndSession = true;
    }
    return new OkObjectResult(response);
}