AzureFunctionSampleCodeForCEIntegration

using System;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.ServiceModel.Description;
using System.Threading.Tasks;
using Microsoft.Azure.WebJobs;
using Microsoft.Azure.WebJobs.Extensions.Http;
using Microsoft.Azure.WebJobs.Host;
using Microsoft.Crm.Sdk.Messages;
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Client;

namespace CRM.AzureFunction.Integration {
  public static class Function1 {
    [FunctionName("Function1")]
    public static Task RunAsync([HttpTrigger(AuthorizationLevel.Anonymous, "POST", Route = null)] HttpRequestMessage req, TraceWriter log) {

      log.Info("C# HTTP trigger function processed a request.");

      IOrganizationService service = Connection(log);
      if(service != null )
     {    
         Entity customEntity = new Entity("ecellors");
         customEntity["name"] = "Created from the azure function app";
         service.Create(customEntity);
      }

      return Task.CompletedTask;
    }

    private static IOrganizationService Connection(TraceWriter log) {
      IOrganizationService service = null;

      #region Credentials Code
      //Credentials
      string URL = "Dynamics CRM URL";
      string userName = "userName";
      string password = "passWord";
      #endregion

     string conn = $ @ "Url = {URL};AuthType = {AuthType};UserName = {userName};Password = {password}; AppId=0b065231-6d28-431e-ab12-4d7d3346612c; RedirectUri=app://singaporecancersociety.crm5.dynamics.com/ LoginPrompt=Never" />
 
      
      var svc = new CrmServiceClient(conn);
      service = svc.OrganizationWebProxyClient != null ? svc.OrganizationWebProxyClient : (IOrganizationService) svc.OrganizationServiceProxy;

      if (service != null) {
        Guid userid = ((WhoAmIResponse) service.Execute(new WhoAmIRequest())).UserId;

        if (userid != Guid.Empty) {
          log.Info("Connection Established Successfully...");
        }
      } else {
        log.Info("Failed to Established Connection!!!");
      }
    } catch (Exception ex) {
      log.Info("Exception caught - " + ex.Message);
    }

    return service;
  }
}