// DocumentNOW V2 ListParameters example // assuming we set the namespace on the service proxy to DocNow ...  // force TLS 1.2 if .net < 4.6 ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12;  Guid accountContextID = new Guid(<fromYourAccount>); Guid templateId = new Guid(<fromYourAccount>);  DocNow.ListParametersServiceClient client = new DocNow.ListParametersServiceClient(); DocNow.ParameterListQuery query = new DocNow.ParameterListQuery(); query.ContextIdentifier = accountContextID; query.TemplateId = templateId; query.UserName = "yourusername@yourdomain.com";  DocNow.ParameterListQueryResult result = client.ListParameters(query);  if(result.Exceptions != null) {     StringBuilder sb = new StringBuilder();     foreach (AssureSign.ParameterListException exception in result.Exceptions)     {         sb.AppendFormat("{0}{1} : {2}", Environment.NewLine, exception.Severity.ToString(), exception.Value);     }     throw new Exception($"Errors occurred calling ListTemplateParameters:{sb.ToString()}"); } else {     foreach (DocNow.TypedParameterItem item in result.Parameters)     { 	    Console.WriteLine($"{item.Name} : {item.Prompt} : {item.Required} : {item.Tag} : {item.Regex} : {item.ValidationMessage}");     } }