API GetInstanceDifficulty

Returns the difficulty of the instance the player is currently in. difficultyIndex = GetInstanceDifficulty

Returns

 * difficultyIndex : Number
 *  1 &rarr; None
 *  2 &rarr; 5 Player & Scenario
 *  3 &rarr; 5 Player (Heroic)
 *  4 &rarr; 10 Player
 *  5 &rarr; 25 Player
 *  6 &rarr; 10 Player (Heroic)
 *  7 &rarr; 25 Player (Heroic)
 *  8 &rarr; Raid Finder
 *  9 &rarr; Challenge Mode
 * 10 &rarr; 40 Player