ESODecoded

EVENT_ACTION_SLOT_ABILITY_USED

ESO Lua API function — used by 71 of the 3,030 addons we indexed (combined 30,007,596 downloads). Signature from the official ESOUIDocumentation.txt, API version 101050.

Official signature

EVENT_ACTION_SLOT_ABILITY_USED(luaindex actionSlotIndex)

Real usage — from Action Duration Reminder

= function()
  EVENT_MANAGER:RegisterForEvent(addon.name, EVENT_ACTION_SLOT_ABILITY_USED, l.onActionSlotAbilityUsed)
  EVENT_MANAGER:RegisterForUpdate(addon.name, 100, l.onUpdate)

Short excerpt from the shipping addon Action Duration Reminder — 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

AddonTotal downloads
Action Duration Reminder6,522,011
Bandits User Interface6,130,317
Srendarr - Aura, Buff & Debuff Tracker5,058,870
LibCombat5,017,654
Lui Extended3,001,958
Assist Rapid Riding629,563