EVENT_POWER_UPDATE
ESO Lua API function — used by 116 of the 3,030 addons we indexed (combined 20,012,028 downloads). Signature from the official ESOUIDocumentation.txt, API version 101050.
Official signature
EVENT_POWER_UPDATE(string unitTag, luaindex powerIndex, [CombatMechanicFlags|#CombatMechanicFlags] powerType, integer powerValue, integer powerMax, integer powerEffectiveMax)Real usage — from Srendarr - Aura, Buff & Debuff Tracker
UpdateBahsei()
EVENT_MANAGER:RegisterForEvent('Srendarr_Bahsei', EVENT_POWER_UPDATE, UpdateBahsei)
EVENT_MANAGER:AddFilterForEvent('Srendarr_Bahsei', EVENT_POWER_UPDATE, REGISTER_FILTER_UNIT_TAG, 'player')Short excerpt from the shipping addon Srendarr - Aura, Buff & Debuff Tracker — its ESOUI page; the code belongs to its author. Shown because documentation without a working example is half a reference.
Most-downloaded addons using it
| Addon | Total downloads |
|---|---|
| Srendarr - Aura, Buff & Debuff Tracker | 5,058,870 |
| LibCombat | 5,017,654 |
| LibSets (All set items ingame & preview. lua API + excel sheet) | 4,357,189 |
| Azurah - Interface Enhanced | 1,462,318 |
| Foundry Tactical Combat (FTC) | 1,097,601 |
| CrutchAlerts | 916,918 |