@{Billmailsubject}
@{Billmailplan} : ${planName}
@{BillmailDescription} : ${planDesc}
@{BillType} : ${planType}
${perCal} : ${percentile}
@{BillMailPeriod} : ${timeFrame}
@{Billmaidate} : ${genTime}
@{CostDetails} : ${costString}
${devDetails}
@{Billdevicename} ${perHeading} @{BillTotalCost} @{BillMailPeriod}