public async Task SendMessageWithoutButtonAttachmentIncomingWebhookAsync(LeaveRequest leaveRequest, string accessToken, string replyText, string userId)
        {
            _logger.Debug("SendMessageWithoutButtonAttachmentIncomingWebhookAsync method");
            // getting attachment as a string to be send on slack
            var attachment = _attachmentRepository.SlackResponseAttachmentWithoutButton(Convert.ToString(leaveRequest.Id), replyText);