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Example of creating cookies inside a Azure Function
using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Azure.WebJobs;
using Microsoft.Azure.WebJobs.Extensions.Http;
using Microsoft.AspNetCore.Http;
namespace FunctionCookieExample
public static class MyFunction
public static IActionResult Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = null)] HttpRequest req)
// Read a cookie
var cookieValue = req.Cookies["MyCookie"];
// Set a cooke
//// Configure the cookie
CookieOptions option = new CookieOptions();
option.Expires = DateTime.Now.AddYears(1);
option.Domain = ".mydomain.tld";
//// Make the cookie available for the browser
option.HttpOnly = true;
//// A little non logical way to actually get the HttpResponse (from the HttpRequest and its HttpContext)
req.HttpContext.Response.Cookies.Append("MyCookie", "MyValue", option);
return new OkObjectResult("Cookie set");
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