Exactly. Example: I created a text file in my Polisy, in the directory '/var/polyglot/nodeservers/LiFX' called 'devlist.yml'.  It looks something like this: bulbs: - ip: 10.0.1.1 mac: 'd0:73:d5:00:00:11' name: Bulb-1 type: bulb - ip: 10.0.1.2 mac: 'd0:73:d5:00:00:22' name: Bulb-2 type: bulb - ip: 10.0.1.3 mac: 'd0:73:d5:00:00:33' name: Bulb-3Z type: multizone groups: - address: grp000 members: [Bulb-3Z] name: Stairs - address: grp001 members: [Bulb-1, Bulb-2