CustomIoTHubAssignementDpsFunction.cs

#r "Newtonsoft.Json"

using System.Net;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

public static async Task<IActionResult> Run(HttpRequest req, ILogger log)
{
    log.LogInformation("DPS processed a request. ");

    string requestBody = await new StreamReader(req.Body).ReadToEndAsync();

    //log.LogInformation(requestBody);
    
    dynamic data = JsonConvert.DeserializeObject(requestBody);

    log.LogInformation("Linked Hub:");
    foreach(var item in data.linkedHubs)
    {
        log.LogInformation((string) item);
    }

    var response = new Response("prov-west-ih.azure-devices.net");  

    response.initialTwin.tags = new JObject();
    response.initialTwin.tags.tagOne = "one";

    response.initialTwin.properties.desired = new JObject();
    response.initialTwin.properties.desired.propOne = "ONE";
    response.initialTwin.properties.desired.propTwo = new JObject();
    response.initialTwin.properties.desired.propTwo.attribOne = "attrib one";

    return (ActionResult) new OkObjectResult(response);
}

public class Response
{
    public Response(string hostName)
    {
        iotHubHostName = hostName; 
        initialTwin = new ResponseTwin();
    }

    public string iotHubHostName {get; set;}
    public ResponseTwin initialTwin {get; set;}
}

public class ResponseTwin 
{
    public ResponseTwin()
    {
        properties = new ResponseProperties();
    }

    public dynamic tags {get; set;}
    public ResponseProperties properties {get; set;} // contains desired properties
}

public class ResponseProperties
{
    public dynamic desired {get; set;}
}