The following shows a sample payload:
#set( $to = $String.format('%1$tY-%1$tm-%1$tdT%1$tH:%1$tM:%1$tS ', $latestEvent.eventTime))
#set( $tohour = $String.format('%1$tH', $latestEvent.eventTime))
#set( $fromhourint = $tohourint.parseInt($tohour) - 1)
#set( $fromhour = $fromhourint.toString())
#set( $from = $String.format('%1$tY-%1$tm-%1$tdT%2$s:%1$tM:%1$tS ', $latestEvent.eventTime, $fromhour))
"displayName": "Snapshot from AppDynamics - ${testname} - ${to}",