CHAT MSG SPELL PERIODIC FRIENDLYPLAYER BUFFS

"CHAT_MSG_SPELL_PERIODIC_FRIENDLYPLAYER_BUFFS", arg1

Fired when a non-hostile player gains a "buff" effect.
 * arg1: the full combat chat text.

Examples:
 * Someguy gains Arcane Intellect.
 * Someguy gains Aspect of the Pack.
 * Someguy gains Felsteed.