static EntitiesResult GetEntities(string _Azuretoken, EntitiesData _Data) { String _JsonData = _Data.ToJson(); var client = new RestClient("https://westus2.api.cognitive.microsoft.com/text/analytics/v2.0/entities"); var request = new RestRequest(Method.POST); request.AddHeader("Ocp-Apim-Subscription-Key", _Azuretoken); request.AddHeader("Content-Type", "application/json"); request.AddParameter("undefined", _JsonData, ParameterType.RequestBody); IRestResponse response = client.Execute(request); EntitiesResult _Entities = EntitiesResult.FromJson(response.Content); return(_Entities); }