Event:PLAYER EQUIPMENT UPDATE

Occurs when you or someone around you equips or unequips an item, or switches equipment.

arg1 UnitId

arg2 Link with the name of the unit whose equipment has changed ("[Merlin]"). (This is not accurate! It will show the name of a player who has spoken last in Zone chat or a whisper.)

arg3 Unknown (0)

arg4 Name of the unit whose equipment has changed ("Merlin") (Not accurate)