public WebResponseContentModel <List <ClientSimpleModel> > GetClientsByFilter(string propertyName, string containsValue)
        {
            WebResponseContentModel <List <ClientSimpleModel> > clients = new WebResponseContentModel <List <ClientSimpleModel> >();

            try
            {
                clients = GetResponseFromWebRequest <WebResponseContentModel <List <ClientSimpleModel> > >(WebServiceHelper.GetClientsByFilters(propertyName, containsValue), "get");
            }
            catch (Exception ex)
            {
                clients.ValidationErrorAppSide = ConcatenateExceptionMessage(ex);
            }

            return(clients);
        }