ACTIONBAR_UPDATE_USABLE
Fires when the usability of actions on the action bars may have changed. Blizzard's action buttons now use ACTION_USABLE_CHANGED instead. · description by wowlua
declare event ACTIONBAR_UPDATE_USABLE()In wowlua's emulated client
implementedThe emulator fires it on its own, from its actions, batch, death, login, party, taxi and units models. what the statuses mean
Blizzard's documentation marks the event as unique.
sources
Name, payload and flags: Blizzard's API documentation (Blizzard_APIDocumentationGenerated) (ActionBar system, camelot 1.60.1). Description: written by wowlua where no documentation describes the entry.