Leaderboards using Azure Functions

[Function("LeaderboardExample")]
public async Task<HttpResponseData> RunAsync([HttpTrigger(AuthorizationLevel.Anonymous, "get", "post")] HttpRequestData req)
{
    _logger.LogInformation("C# HTTP trigger function processed a request.");

    PlayFabSettings.staticSettings.TitleId = "78C3E"; // Change this value to your own titleId from PlayFab Game Manager
    PlayFabSettings.staticSettings.DeveloperSecretKey = "WJT5SBP7PUFH61JHE39QQ4F1SJKGBWBJR647CH1WYB9CS3MZDD"; // Change this to your title's secret key from Game Manager
                                                                                                              // Check if parameter exists
    if (string.IsNullOrEmpty(req.Query["leaderboardName"]))
    {
        var badResponse = req.CreateResponse(HttpStatusCode.BadRequest);
        badResponse.Headers.Add("Content-Type", "text/plain; charset=utf-8");
        badResponse.WriteString("Please pass a leaderboardName on the query string");
        return badResponse;
    }

    PlayFabAuthenticationContext authContext = await LoginAsTitleEntity();
    var result = await CreateLeaderboardDefinitionAsync(authContext, req.Query["leaderboardName"]);
    if (result != null)
    {
        if (result.Error != null) {
            PlayFabError apiError = result.Error;
            var response = req.CreateResponse(HttpStatusCode.BadRequest);
            response.Headers.Add("Content-Type", "text/plain; charset=utf-8");
            if (apiError != null)
            {
                response.WriteString("Something went wrong with your API call.  :");
                response.WriteString("Here's some debug information:");
                response.WriteString(PlayFabUtil.GenerateErrorReport(apiError));
                return response;
            }
            response.WriteString("Something went wrong with your API call but it wasn't possible to get a PlayFab error description.");
            return response;
        }
        else
        {
            var response = req.CreateResponse(HttpStatusCode.OK);
            response.Headers.Add("Content-Type", "text/plain; charset=utf-8");
            response.WriteString("Leaderboard created successfully!");
            return response;
        }
    }
    else 
    {
        var response = req.CreateResponse(HttpStatusCode.BadRequest);
        response.Headers.Add("Content-Type", "text/plain; charset=utf-8");
        response.WriteString("Something went wrong with your API call.  :");
        return response;
    }    
    
}