API IsActiveBattlefieldArena

Returns true if the player is inside a (rated) arena.
 isArena, isRegistered = IsActiveBattlefieldArena()
==Returns==
:;isArena: - If the player is inside an arena.
:;isRegistered: - If the player is playing a rated arena match.
==Details==
* If you are in waiting room and/or countdown is going on, it will return false.