Fires when a raid encounter starts.
Signature:
(encounterID, "encounterName", difficultyID, raidSize)
Arguments:
encounterID- Numerical identifier of the encounter (not like in the Encounter Journal!). (number)encounterName- Localized name of the encounter. (string)difficultyID- Difficulty identifier of the current instance. (number)0- None; not in an Instance.1- 5-player Instance.2- 5-player Heroic Instance.3- 10-player Raid Instance.4- 25-player Raid Instance.5- 10-player Heroic Raid Instance.6- 25-player Heroic Raid Instance.7- Raid Finder Instance.8- Challenge Mode Instance.9- 40-player Raid Instance.10- Not used.11- Heroic Scenario Instance.12- Scenario Instance.13- Not used.14- Flexible Raid.
raidSize- Number of raid members. (number)