IP Ping ... Count Result and max-rtt Result ?

hello all …

i have this script :
:local PingResult;
:set PingResult[/ping “10.1.1.15” interface=“pptp-out1” count=10];
:log ifo $PingResult;

sent=10 received=10 packet-loss=0% min-rtt=51ms avg-rtt=93ms max-rtt=264ms


i want Such that but value max-rtt Result … How so ?
sent=10 received=10 packet-loss=0% min-rtt=51ms avg-rtt=93ms max-rtt=264ms
:local MaxRTTResult;


thank you all

up…