cs_api_dotnet.CaseStackApi.GetCustomFields C# (CSharp) Method

        public CustomFields GetCustomFields(string parent)
        {
            if (String.IsNullOrEmpty(parent))
                throw new ApplicationException("Parent cannot be empty.");

            string[] allowedParents = { "carrier", "customer", "shipment" };

            int pos = Array.IndexOf(allowedParents, parent);

            if (pos <= -1)
                throw new ApplicationException("Parent can only be 'carrier', 'customer' or 'shipment'");

            var client = GetRestClient();
            var request = new RestRequest
            {
                Resource = "api/customfield/" + parent,
                RequestFormat = DataFormat.Json,
                RootElement = "Carrier"
            };

            var response = client.Execute<CustomFields>(request);
            if (response.ErrorException != null)
            {
                if (response.StatusCode == System.Net.HttpStatusCode.NotFound) {
                    // no custom fields defined for object, so return a blank object
                    CustomFields blank = new CustomFields();
                    blank._id = "";
                    blank.fields = new System.Collections.Generic.List<Field>();
                    blank.parent = parent;
                    return blank;
                } else {
                    throw new ApplicationException("Error retrieving custom fields", response.ErrorException);
                }
            }

            var customFields = response.Data;
            return customFields;
        }