public void MoreTalking() { DataTable dtable = new DataTable(); dtable.Columns.Add("Class"); dtable.Columns.Add("Errors/Failures/Totals"); dtable.Rows.Add("BusinessObjects.Domains.Tests-nunitTestResults", "0/0/64"); dtable.Rows.Add("BusinessObjects.Domains.Tests-nunitTestResults", "0/6/6"); sut = new SlackClient(new Uri("https://hooks.slack.com/services/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").ToString()); var msg = new SlackMessage(); //msg.Attach(new SlackAttachment()); msg.AddData(dtable) //.UsingLeftBarColor(Color.White) ; sut.Send(msg); }