Predefined variables list
Lua Predefined variables
_G -- returns a table of all global variables coroutine -- returns a table containing functions for threads debug -- returns a table containing debug functions math -- returns a table that contains mathematical functions string -- returns a table containing functions for strings table -- returns a table that contains functions for tables _VERSION -- returns a string of the version of lua in format "Lua 5.1" self -- used in methods arg -- used in functions which use '...' as an argument (https://www.lua.org/pil/5.2.html)
MTA Predefined variables
exports -- returns a table of resource names containing all export functions resource -- returns a resource element of the resource the snippet was executed in resourceRoot -- returns a resource root element of the resource the snippet was executed in root -- returns the root element of the server
guiRoot -- returns the root element of all GUI elements. localPlayer -- returns the player element of the local player.
source -- The player or element the event was attached to this -- Element, which was attached function-handler. eventName -- the name of the event ("onResourceStart", "onPlayerWasted" etc.)
client -- the client that called the event sourceResource -- the resource that called the event sourceResourceRoot -- the root of the resource that called the event
Please note, the above pre-defined variables may only be accessible in the relevant scope (i.e, an event handler callback function). Further functions defined within that scope may not have access to these pre-defined variables at the time of their execution.
For this reason, you should always explicitly redefine pre-defined variables as local variables, to ensure they are always available to new functions declared within that scope - for example:
function init() local player = source -- source is a pre-defined variable for this event, containing the player element local func = function() print(source) -- prints 'nil', source isn't available anymore print(player) -- prints player element end setTimer(func, 1000, 1) -- run above function after 1 second end addEventHandler("onPlayerResourceStart", root, init)
sourceTimer -- current timer in callback function.
List Predefined variables available in the HTTP files (more info about it):
[php] requestHeaders -- table, contains all HTTP headlines current page. form -- table, contains all POST and GET settings, transferred current page. cookies -- table, contains all COOKIE, transferred current page. hostname -- string, contains IP or name host, which requested current page. url -- string, URL current page. user -- element, account user, which requested current page.