only display magicka deto when the current magicka percentage is over 15 %

diff --git a/RaidNotifier.lua b/RaidNotifier.lua
index 54f0020..f2326b2 100644
--- a/RaidNotifier.lua
+++ b/RaidNotifier.lua
@@ -158,7 +158,13 @@ function RaidNotifier.sanctumDebuffs(_, change, buff, name, unit, start, finish,
 --                d('effectType', effectType)
 --                d('start', start)
 --                d('finish', finish)
-                CENTER_SCREEN_ANNOUNCE:AddMessage(1, CSA_EVENT_COMBINED_TEXT, SOUNDS.CHAMPION_POINTS_COMMITTED, GetString(RAIDNOTIFIER_SANCTUM_MAGICKA_DETONATION_ALERT), nil, nil, nil, nil, nil, 5000)
+                -- get current magicka percentage
+                local current, maximum, _ = GetUnitPower("player", POWERTYPE_MAGICKA)
+                local magickaPercentage   = zo_roundToNearest(current/maximum,0.01)
+
+                if magickaPercentage > 15 then
+                    CENTER_SCREEN_ANNOUNCE:AddMessage(1, CSA_EVENT_COMBINED_TEXT, SOUNDS.CHAMPION_POINTS_COMMITTED, GetString(RAIDNOTIFIER_SANCTUM_MAGICKA_DETONATION_ALERT), nil, nil, nil, nil, nil, 5000)
+                end
             end
         end
     end