CHAT MSG SPELL FRIENDLYPLAYER BUFF

"CHAT_MSG_SPELL_FRIENDLYPLAYER_BUFF", arg1

Fired when a non-hostile player begins casting a spell or using a skill.
 * arg1: the full combat chat text.

Some examples:
 * Someguy casts Reinforced Armor +40 on Someguys's Pants.
 * Someguy begins to cast Elixir of Whatever.
 * Someguy begins to cast Conjure Food.
 * Someguy begins to cast Summon Felsteed.