CreateCharged

        public IRestResponse CreateCharged(string token, string shop, Recurring recurring)
        {
            var client = new RestClient("https://" + shop + "/admin/");

            var request = new RestRequest("recurring_application_charges.json", Method.POST);
            request.RequestFormat = DataFormat.Json;
            request.AddHeader("X-Shopify-Access-Token", token);
            string json = JsonConvert.SerializeObject(recurring, Formatting.Indented);

            request.AddParameter("application/json", json, ParameterType.RequestBody);

            // execute the request
            var result = client.Execute(request);
            return result;
            
        }