using System.Net;

public static async Task<HttpResponseMessage> Run(HttpRequestMessage req, TraceWriter log)
{
    log.Info($"Start ----");
    // parse query parameter
    string name = req.GetQueryNameValuePairs()
        .FirstOrDefault(q => string.Compare(q.Key, "name", true) == 0)
        .Value;

    await Task.Delay(TimeSpan.FromSeconds(20));

    // Get request body
    dynamic data = await req.Content.ReadAsAsync<object>();

    // Set name to query string or body data
    name = name ?? data?.name;

   log.Info($"End ----------");
   return name == null
        ? req.CreateResponse(HttpStatusCode.BadRequest, "Please pass a name on the query string or in the request body")
        : req.CreateResponse(HttpStatusCode.OK, "Hello " + name);
}

2016-07-19T03:34:42.334 Function started (Id=14c91f2c-2490-437c-b461-258a13872d82)
2016-07-19T03:34:42.334 Start ----
2016-07-19T03:34:45.698 Script for function 'HttpTriggerCSharp1' changed. Reloading.
2016-07-19T03:34:45.698 Compiling function script.
2016-07-19T03:34:45.776 run.csx(14,13): error CS1002: ; expected
2016-07-19T03:34:45.776 run.csx(11,48): error CS0246: The type or namespace name 'aaaa' could not be found (are you missing a using directive or an assembly reference?)
2016-07-19T03:34:45.776 run.csx(14,13): error CS0103: The name 'data' does not exist in the current context
2016-07-19T03:34:45.776 run.csx(17,20): error CS0103: The name 'data' does not exist in the current context
2016-07-19T03:34:45.776 run.csx(14,5): warning CS0168: The variable 'dynamic' is declared but never used
2016-07-19T03:34:45.776 Compilation failed.
2016-07-19T03:35:02.334 End ----------
2016-07-19T03:35:02.334 Function completed (Success, Id=14c91f2c-2490-437c-b461-258a13872d82)
2016-07-19T03:35:27.915 Function compilation error
2016-07-19T03:35:27.915 run.csx(14,13): error CS1002: ; expected
2016-07-19T03:35:27.915 run.csx(11,48): error CS0246: The type or namespace name 'aaaa' could not be found (are you missing a using directive or an assembly reference?)
2016-07-19T03:35:27.915 run.csx(14,13): error CS0103: The name 'data' does not exist in the current context
2016-07-19T03:35:27.915 run.csx(17,20): error CS0103: The name 'data' does not exist in the current context
2016-07-19T03:35:27.915 run.csx(14,5): warning CS0168: The variable 'dynamic' is declared but never used
2016-07-19T03:35:27.915 Function completed (Failure)
2016-07-19T03:35:27.961 Exception while executing function: Functions.HttpTriggerCSharp1. Microsoft.Azure.WebJobs.Script: Script compilation failed.