Editing WoW:API UnitFactionGroup

{{wowapi}}
Get the name of the faction (Horde/Alliance) a unit belongs to.
 englishFaction, localizedFaction = UnitFactionGroup(unit)

== Arguments ==
; unit : String - [[API_TYPE_UnitId|UnitID]] you want to get the faction for

== Returns ==
;englishFaction : String - Unit's faction name in English, i.e. "Alliance", "Horde" or nil.
;localizedFaction : String - Unit's faction name in the client's locale or nil.

== Details ==
The functon returns correct results after the  PLAYER_ENTERING_WORLD event.

Note that for NPCs, the function will only return Alliance/Horde for factions closely allied with either side. Goblins, for instance, return <tt>nil,nil</tt>.