config rule
option target 'ACCEPT'
option name 'Ping-from-IPSET'
option family 'ipv4'
option proto 'icmp'
list icmp_type 'echo-request'
option dest 'lan'
option extra '-m set --match-set ipsetno1 src'
option src 'wan'
The equivalent command line rule was:
iptables -A INPUT -m set --match-set ipsetno1 src -p icmp --icmp-type 8 -j ACCEPT