public async Task <IActionResult> SubmitCampaign(ConfigurationModel model)
        {
            if (!ModelState.IsValid)
            {
                return(await Configure());
            }

            var campaignErrors = await _sendinBlueEmailManager.SendSMSCampaignAsync(model.CampaignListId, model.CampaignSenderName, model.CampaignText);

            if (!string.IsNullOrEmpty(campaignErrors))
            {
                _notificationService.ErrorNotification($"{SendinBlueDefaults.NotificationMessage} {campaignErrors}");
            }
            else
            {
                _notificationService.SuccessNotification(await _localizationService.GetResourceAsync("Plugins.Misc.SendinBlue.SMS.Campaigns.Sent"));
            }

            return(await Configure());
        }