Function: extern()

function extern(
   key: string, 
   value: unknown, 
   target?: AnyObject): void;

Declare a global variable and extern it for game engine usage. Declared values can be found in _G / global Lua scope.

Parameters

Parameter	Type	Default value	Description
`key`	`string`	`undefined`	Name of the value to extern (dot-separated for nested paths).
`value`	`unknown`	`undefined`	Value to extern.
`target`	`AnyObject`	`_G`	Object to set the value on, global `_G` by default.

void