1 files changed, 3 insertions, 0 deletions
diff --git a/src/game/InstanceData.h b/src/game/InstanceData.h
index e6fcb25b355..eb4581a84b9 100644
--- a/src/game/InstanceData.h
+++ b/src/game/InstanceData.h
@@ -158,6 +158,9 @@ class InstanceData : public ZoneScript
         // Complete Achievement for all players in instance
         void DoCompleteAchievement(uint32 achievement);
 
+        // Update Achievement Criteria for all players in instance
+        void DoUpdateAchievementCriteria(AchievementCriteriaTypes type, uint32 miscvalue1=0, uint32 miscvalue2=0, Unit *unit=NULL, uint32 time=0);
+
         // Remove Auras due to Spell on all players in instance
         void DoRemoveAurasDueToSpellOnPlayers(uint32 spell);