[Unit]
Description=Suspend comms apps
PartOf=idle.target
Before=idle.target

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=bash -c 'echo 1 > /sys/fs/cgroup/user.slice/user-%U.slice/user@%U.service/app.slice/app-comms.slice/cgroup.freeze'
ExecStop=bash -c 'echo 0 > /sys/fs/cgroup/user.slice/user-%U.slice/user@%U.service/app.slice/app-comms.slice/cgroup.freeze'

[Install]
WantedBy=idle.target