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:{{icon-information}}Note that this page is automatically generated; editing it is pointless. To edit event descriptions, edit the entries in the alphabetical pages, e.g. [[Events/A]], [[Events/B]], etc. Changes there will be copied over to here within a few hours.
== System related events ==
{{evt|ADDON_ACTION_BLOCKED|System}}
(this event doesn't seem to be used anymore, use ADDON_ACTION_FORBIDDEN instead)
===== =====
{{evt|ADDON_ACTION_FORBIDDEN|System}}
Fires when an AddOn tries use actions that are always forbidden (movement, targeting, etc.).
'''If called from an AddOn'''
----
; arg1 : Name of the AddOn that was last involved in the execution path.
; arg2 : The protected function that was called.
; Notes : It's very possible that arg1 will not be the name of the addon that tried to call the protected function.
'''If called from the chat prompt (/script [[API_CastSpellByName|CastSpellByName]]("Attack"))'''
----
; arg1 : The protected function that was called.
{{evt|ADDON_LOADED|System}}
This event fires whenever an AddOn is loaded (fires once for each AddOn loaded if multiple AddOns are being loaded), whether that is during the inital Loading Phase or when an AddOn is loaded using the LoadAddOn("addonname") or UIParentLoadAddon("addonname") function.  This event always fires after SavedVariables of the AddOn have been loaded from disk and its OnLoad function has been executed.
; arg1 : name of the AddOn that was just loaded
{{evt|CVAR_UPDATE|System}}
Fired when a CVar is changed
; arg1: cvarname
; arg2: value
{{evt|DISPLAY_SIZE_CHANGED|System}}
{{evt|DISABLE_TAXI_BENCHMARK|System}}
?
{{evt|ENABLE_TAXI_BENCHMARK|System}}
?
{{evt|LOGOUT_CANCEL|System}}
{{evt|MACRO_ACTION_BLOCKED|System}}
(this event doesn't seem to be used anymore, use MACRO_ACTION_FORBIDDEN)
{{evt|MACRO_ACTION_FORBIDDEN|System}}
Sent when a macro tries use actions that are always forbidden (movement, targeting, etc.).
; arg1 : As of 3.0.2 (possibly sooner) this argument appears to always be "UNKNOWN()"
{{evt|PLAYER_ENTERING_WORLD|System,Player,Instance}}
Fired when the player enters the world, enters/leaves an instance, or respawns at a graveyard.  Also fires any other time the player sees a loading screen.
To check if the player is entering an instance, check [[API_GetPlayerMapPosition|GetPlayerMapPosition]] to see if both X and Y are zero.
Correction on the above comment: When PLAYER_ENTERING_WORLD fires, you'll notice that WORLD_MAP_UPDATE fires just before it. My instincts tell that leaving an instance puts the player in void space momentarily. So for the case that you are entering AND leaving an instance, [[API_GetPlayerMapPosition|GetPlayerMapPosition]] always returns the coordinates <nowiki>[0,0]</nowiki> and hence there is no way to determine using the event PLAYER_ENTERING_WORLD if the player is entering an instance or not. When leaving an instance the following events fire (ignoring party/raid events).
:WORLD_MAP_UPDATE
:PLAYER_ENTERING_WORLD
:WORLD_MAP_UPDATE <--- Player coordinates are non-zero here
Instances do have coordinates for units once the second WORLD_MAP_UPDATE event has fired. For the case of entering a battleground such as WSG, WORLD_MAP_UPDATE won't fire until you leave Silverwing Hold or Warsong Lumber Mill and you are outside. --[[User:Salanex|Salanex]]
{{evt|PLAYER_LEAVING_WORLD|System}}
Fired when a player logs out and possibly at other situations as well
{{evt|PLAYER_LOGIN|System}}
Triggered immediately before PLAYER_ENTERING_WORLD on login and UI Reload, but NOT when entering/leaving instances.
Note: Player skills such as those available through GetNumSkillLines() and relatives does not appear to be available when this event or PLAYER_ENTERING_WORLD fires during an actual player login from character-selection, as all the GetNumSkillLines()-function returns is 0 in those cases.  When these events trigger from other reasons, such as zoning, the skill-related functions appear to work normally.
{{evt|PLAYER_LOGOUT|System}}
Sent when the player logs out or the UI is reloaded, just before SavedVariables are saved. The event fires after PLAYER_LEAVING_WORLD.
{{evt|PLAYER_QUITING|System}}
Fired when the player tries to quit, as opposed to logout, while outside an inn. This event does not indicate that the "''player has quit''", but instead that the "''player has the quitting option''".
The dialog which appears after this event, has choices of "Exit Now" or "Cancel". The dialog which appears when you try to '''logout''' outside an inn, only has a "Cancel" choice, and the event is not fired.
{{evt|SCREENSHOT_FAILED|System}}
Fired when a screenshot fails.
{{evt|SCREENSHOT_SUCCEEDED|System}}
Fired when a screenshot is successfully taken.
{{evt|SOUND_DEVICE_UPDATE|System}}
?
{{evt|STREAMING_ICON|System}}
Added in 4.0 for the Streaming Launcher
; arg1 : ? (number in 0-2 range)
{{evt|SYNCHRONIZE_SETTINGS|System}}
?
{{evt|TIME_PLAYED_MSG|Player,System,Communication}}
Fired when the client received a time played message.
; arg1 : Total time
; arg2 : Current time at this level
{{evt|UI_ERROR_MESSAGE|System}}
Fired when the interface creates an error message. These are the red messages that show in the top middle of the screen. "Your inventory is full." is one example.
; arg1 : message
{{evt|UI_INFO_MESSAGE|System,Communication}}
Fired when the interface generates a message. These are the yellow messages in the top middle of the window. "No fish are hooked." is one example.
; arg1 : message
{{evt|UPDATE_BINDINGS|System}}
Fired when the keybindings are changed.  Fired after completion of [[API LoadBindings|LoadBindings()]], [[API SaveBindings|SaveBindings()]], and [[API SetBinding|SetBinding()]] (and its derivatives).
{{evt|UPDATE_MACROS|System}}
{{evt|VARIABLES_LOADED|System}}
Fired in response to the CVars, Keybindings and other associated "Blizzard" variables being loaded.  Since key bindings and macros in particular may be stored on the server they event may be delayed a bit beyond the original loading sequence.
Previously (prior to 3.0.1) the [[Events V-Z (Variables, Who, World, Zone)#VARIABLES_LOADED|VARIABLES_LOADED]] event was part of the loading sequence.  Although it still occurs within the same general timeframe as the other events, it no longer has a guaranteed order that can be relied on.  This may be problematic to addons that relied on the order of [[Events V-Z (Variables, Who, World, Zone)#VARIABLES_LOADED|VARIABLES_LOADED]], specifically that it would fire before [[Events P (Party, Petition, Pet, PlayerBank, Player)#PLAYER_ENTERING_WORLD|PLAYER_ENTERING_WORLD]].
Addons should not use this event to check if their addon's saved variables have loaded.  They can use ADDON_LOADED (testing for arg1 being the name of the addon) or another appropriate event to initialize, ensuring that the addon works when loaded on demand.

Latest revision as of 04:48, 15 August 2023

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All events · All names

← Event API


"I" iconNote that this page is automatically generated; editing it is pointless. To edit event descriptions, edit the entries in the alphabetical pages, e.g. Events/A, Events/B, etc. Changes there will be copied over to here within a few hours.


System related events
"ADDON_ACTION_BLOCKED"
 Category: System
 

(this event doesn't seem to be used anymore, use ADDON_ACTION_FORBIDDEN instead)

"ADDON_ACTION_FORBIDDEN"
 Category: System
 

Fires when an AddOn tries use actions that are always forbidden (movement, targeting, etc.).

If called from an AddOn

arg1
Name of the AddOn that was last involved in the execution path.
arg2
The protected function that was called.
Notes
It's very possible that arg1 will not be the name of the addon that tried to call the protected function.

If called from the chat prompt (/script CastSpellByName("Attack"))

arg1
The protected function that was called.
"ADDON_LOADED"
 Category: System
 

This event fires whenever an AddOn is loaded (fires once for each AddOn loaded if multiple AddOns are being loaded), whether that is during the inital Loading Phase or when an AddOn is loaded using the LoadAddOn("addonname") or UIParentLoadAddon("addonname") function. This event always fires after SavedVariables of the AddOn have been loaded from disk and its OnLoad function has been executed.

arg1
name of the AddOn that was just loaded
"CVAR_UPDATE"
 Category: System
 

Fired when a CVar is changed

arg1
cvarname
arg2
value
"DISPLAY_SIZE_CHANGED"
 Category: System
 



"DISABLE_TAXI_BENCHMARK"
 Category: System
 

?


"ENABLE_TAXI_BENCHMARK"
 Category: System
 

?


"LOGOUT_CANCEL"
 Category: System
 



"MACRO_ACTION_BLOCKED"
 Category: System
 

(this event doesn't seem to be used anymore, use MACRO_ACTION_FORBIDDEN)


"MACRO_ACTION_FORBIDDEN"
 Category: System
 

Sent when a macro tries use actions that are always forbidden (movement, targeting, etc.).

arg1
As of 3.0.2 (possibly sooner) this argument appears to always be "UNKNOWN()"
"PLAYER_ENTERING_WORLD"
 Category: System,Player,Instance
 

Fired when the player enters the world, enters/leaves an instance, or respawns at a graveyard. Also fires any other time the player sees a loading screen.

To check if the player is entering an instance, check GetPlayerMapPosition to see if both X and Y are zero.

Correction on the above comment: When PLAYER_ENTERING_WORLD fires, you'll notice that WORLD_MAP_UPDATE fires just before it. My instincts tell that leaving an instance puts the player in void space momentarily. So for the case that you are entering AND leaving an instance, GetPlayerMapPosition always returns the coordinates [0,0] and hence there is no way to determine using the event PLAYER_ENTERING_WORLD if the player is entering an instance or not. When leaving an instance the following events fire (ignoring party/raid events).

WORLD_MAP_UPDATE
PLAYER_ENTERING_WORLD
WORLD_MAP_UPDATE <--- Player coordinates are non-zero here

Instances do have coordinates for units once the second WORLD_MAP_UPDATE event has fired. For the case of entering a battleground such as WSG, WORLD_MAP_UPDATE won't fire until you leave Silverwing Hold or Warsong Lumber Mill and you are outside. --Salanex


"PLAYER_LEAVING_WORLD"
 Category: System
 

Fired when a player logs out and possibly at other situations as well


"PLAYER_LOGIN"
 Category: System
 

Triggered immediately before PLAYER_ENTERING_WORLD on login and UI Reload, but NOT when entering/leaving instances.

Note: Player skills such as those available through GetNumSkillLines() and relatives does not appear to be available when this event or PLAYER_ENTERING_WORLD fires during an actual player login from character-selection, as all the GetNumSkillLines()-function returns is 0 in those cases. When these events trigger from other reasons, such as zoning, the skill-related functions appear to work normally.


"PLAYER_LOGOUT"
 Category: System
 

Sent when the player logs out or the UI is reloaded, just before SavedVariables are saved. The event fires after PLAYER_LEAVING_WORLD.


"PLAYER_QUITING"
 Category: System
 

Fired when the player tries to quit, as opposed to logout, while outside an inn. This event does not indicate that the "player has quit", but instead that the "player has the quitting option".

The dialog which appears after this event, has choices of "Exit Now" or "Cancel". The dialog which appears when you try to logout outside an inn, only has a "Cancel" choice, and the event is not fired.


"SCREENSHOT_FAILED"
 Category: System
 

Fired when a screenshot fails.


"SCREENSHOT_SUCCEEDED"
 Category: System
 

Fired when a screenshot is successfully taken.


"SOUND_DEVICE_UPDATE"
 Category: System
 

?


"STREAMING_ICON"
 Category: System
 

Added in 4.0 for the Streaming Launcher

arg1
? (number in 0-2 range)
"SYNCHRONIZE_SETTINGS"
 Category: System
 

?


"TIME_PLAYED_MSG"
 Category: Player,System,Communication
 

Fired when the client received a time played message.

arg1
Total time
arg2
Current time at this level
"UI_ERROR_MESSAGE"
 Category: System
 

Fired when the interface creates an error message. These are the red messages that show in the top middle of the screen. "Your inventory is full." is one example.

arg1
message
"UI_INFO_MESSAGE"
 Category: System,Communication
 

Fired when the interface generates a message. These are the yellow messages in the top middle of the window. "No fish are hooked." is one example.

arg1
message
"UPDATE_BINDINGS"
 Category: System
 

Fired when the keybindings are changed. Fired after completion of LoadBindings(), SaveBindings(), and SetBinding() (and its derivatives).


"UPDATE_MACROS"
 Category: System
 



"VARIABLES_LOADED"
 Category: System
 

Fired in response to the CVars, Keybindings and other associated "Blizzard" variables being loaded. Since key bindings and macros in particular may be stored on the server they event may be delayed a bit beyond the original loading sequence.

Previously (prior to 3.0.1) the VARIABLES_LOADED event was part of the loading sequence. Although it still occurs within the same general timeframe as the other events, it no longer has a guaranteed order that can be relied on. This may be problematic to addons that relied on the order of VARIABLES_LOADED, specifically that it would fire before PLAYER_ENTERING_WORLD.

Addons should not use this event to check if their addon's saved variables have loaded. They can use ADDON_LOADED (testing for arg1 being the name of the addon) or another appropriate event to initialize, ensuring that the addon works when loaded on demand.

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