public class ApiResponse { TResponse Response {get;set;} ApiMessageModel ErrorMessage {get;set;} } private async Task> getModel(UrlEnum url, String token) { var result = new ApiResponse(); #pragma warning disable CS0618 // Type or member is obsolete ServicePointManager.CertificatePolicy = new CustomCertificatePolicy(); #pragma warning restore CS0618 // Type or member is obsolete _httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token); using(var response = await _httpClient.GetAsync(url.GetAttributeValue().Url)) { switch (response.StatusCode) { case HttpStatusCode.OK: // 200 result.Response = Deserialize(await response.Content.ReadAsStringAsync()); break; case HttpStatusCode.BadRequest: // 400 result.ErrorMessage = Deserialize(await response.Content.ReadAsStringAsync()); break; default: break; } return result; } } private TResult Deserialize(string json) => JsonConvert.DeserializeObject(json);