Log to DNN Event Viewer

DotNetNuke.Services.Log.EventLog.EventLogController objEventLog = new DotNetNuke.Services.Log.EventLog.EventLogController();
                objEventLog.AddLog("Sample Message", "Something Interesting Happened!", PortalSettings, -1, DotNetNuke.Services.Log.EventLog.EventLogController.EventLogType.ADMIN_ALERT);

// ALTERNATIVE METHOD

EventLogController eventLog = new EventLogController();
DotNetNuke.Services.Log.EventLog.LogInfo logInfo = new LogInfo();
logInfo.LogUserID = UserId;
logInfo.LogPortalID = PortalSettings.PortalId;
logInfo.LogTypeKey = EventLogController.EventLogType.ADMIN_ALERT.ToString();
logInfo.AddProperty("Status: ", _Status.ToString());
logInfo.AddProperty("KeyWordLike: ", "An Example");
eventLog.AddLog(logInfo);