public static async Task <JsonResult> GetAllYammer()
{
AuthenticationConfig config = AuthenticationConfig.ReadFromJsonFile("appsettings.json");
var httpClient = new HttpClient();
var apiCaller = new APIHelper(httpClient);
var getUrl = string.Format(config.YammerGetGroupMessages, config.YammerPublicGroupID);
var response = await apiCaller.CallYammerApiAndProcessResultASync(getUrl, config.YammerTocken, Display);
return(response);
// await apiCaller.CallWebApiAndProcessResultASync($"{config.ApiUrl}v1.0/users", result.AccessToken, Display);
}