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→ WoW API
|This function is PROTECTED, and can only be called from Blizzard code.|
Perform the specified action.
UseAction(slot[, checkCursor[, onSelf]])
- Numeric - The action slot to use.
- Flag (optional) - Can be 0, 1, or nil. Appears to indicate whether the action button was clicked (1) or used via hotkey (0); probably involved in placing skills/items in the action bar after they've been picked up. I can confirm this. If you pass 0 for checkCursor, it will use the action regardless of whether another item/skill is on the cursor. If you pass 1 for checkCursor, it will replace the spell/action on the slot with the new one.
- Flag (optional) - Can be 0, 1, or nil. If present and 1, then the action is performed on the player, not the target. If "true" is passed instead of 1, Blizzard produces a Lua error.
action = 18 -- Change this to the slot number you want to activate UseAction(action, 0, 1)
-- Causes action bar slot #18 to be cast on the player, regardless -- of whether the cursor is currently "holding" an item or ability.
See the actionSlot API Type for more information on slot numbers and example code for listing available slots.