function.cs

public class HttpReturnUserRolesFunction
{
    [FunctionName("HttpReturnUserRoles")]
    public IActionResult HttpReturnUserRoles(
        [HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req,
        ILogger log)
    {
        return new OkObjectResult(new {
            version = "1.0.0",
            action = "Continue",
            postalCode = "12349",
            extension_Roles = "Admin,User"
        });
    }
}