Possible EVENT_EFFECT_CHANGED castByPlayer values (thanks Ayantir):
Code:
COMBAT_UNIT_TYPE_NONE = 0
COMBAT_UNIT_TYPE_OTHER = 5
COMBAT_UNIT_TYPE_PLAYER = 1
COMBAT_UNIT_TYPE_PLAYER_PET = 2
COMBAT_UNIT_TYPE_TARGET_DUMMY = 4
Also it is the 17 (and last) return field.