Arma 2: Functions Library

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Function Library is pack of script functions available from anywhere in game.

Arma 3
This page is mainly Arma 2 related, for Arma 3 visit Arma 3: Functions Library




Modules (F7) > Function Library




Place Function manager on map. No additional synchronizing needed.


First, you need to check if Functions were already initialized:

waitUntil { !isNil "BIS_fnc_init" };
Always check for 'BIS_fnc_init', not specific functions (e.g. 'BIS_fnc_setpitchbank')! Never set value of 'BIS_fnc_init' in any part of mission! It may lead to breakdown of some modules!

After that, you can call any function using following syntax:

_fnc = [params] call TAG_fnc_functionName

In-game functions viewer

See BIS_fnc_help

Adding new functions

List of functions is defined in config - CfgFunctions. New ones can be also added in Description.ext file of mission or campaign.

class cfgFunctions
	class BIS
		class category1
			class Test1 		{ description = "Testing file 1" };

	class TAG
		class category1
			class Test2
				description = "Testing file 2";
				file = "test.sqf";

If 'file' path is not set, system will search for file 'functions\category\fn_function.sqf" (if CfgFunctions is defined in Description.ext) or 'ca\modules\functions\category\fn_function.sqf" (if CfgFunctions is defined in config.cpp).

Result is:

  • BIS_fnc_Test1 - will load script \functions\category1\test1.sqf from mission or campaign directory
  • TAG_fnc_Test2 - will load script test.sqf

List of official functions