ruby{ code => "
                begin
                    # your great code goes here
                    event['TotalCallTimeSecs'] = ( event['ConnTimeHr'] / 60 / 60 ) + ( event['ConnTimeMin'] / 60 ) + event ['ConnTimeSec'] + event['RingTime'] + event['HoldTime'] + event['ParkTime']

                    t = Time.at(event['@timestamp'])    # Convert number of seconds into Time object.
                    event['DayNumLocal'] = t.wday
                    event['DayNameLocal'] = t.strftime(“%A”)
                    event['CallHourLocal'] = t.strftime(“%H”)
                end
                rescue Exception => e
                    event['ruby_exception'] = 'smdr ' + e.message
                end
            " }