Additional Flags for runguard

What all changes do i have to make if I wish to add an additional flag while executing runguard. i want to add a new flag for network access: net_flag

./run testdata.in program.out sudo -n /opt/domjudge/judgehost/bin/runguard -r /opt/data/30000309/codeTest_2202/30000309271547/622/c1-s2-j301-27-50/testcase187783/.. --nproc=640 --no-core --streamsize=40000 --user=domjudge-run --walltime=1:1.1 --cputime=1:1.1 --filesize=40000 --stderr=program.err --outmeta=program.meta -- /testcase187783/execdir/program