zabbix-agent-addons/zabbix_conf/lvm.conf

# Discover LVM volume
# $1 can be groups, volumes or snapshots
UserParameter=vfs.lvm.discovery[*],/usr/bin/sudo /var/lib/zabbix/bin/disco_lvm_sudo $1

# Type: Agent or Agent (active)
# Key: vfs.lvm.lv[volume,key] where volume is the path to a logical volume and
# key can be size, allocation (for snapshots only) or status
UserParameter=vfs.lvm.lv[*],/usr/bin/sudo /var/lib/zabbix/bin/check_lvm_sudo --lv='$1' --what='$2'
UserParameter=vfs.lvm.vg[*],/usr/bin/sudo /var/lib/zabbix/bin/check_lvm_sudo --vg='$1' --what='$2'