From AutoIt Wiki

Assign assigns a value to a variable. In most situations simple assignment may be used in place of Assign, Eval() to read, and IsDeclared() to check. Adapted from AutoIt docs.

Contents 1 Syntax 2 Parameters 3 Flags 4 Return Value 5 Example 6 Related Functions

Syntax

$x = Assign("varname","value" [, flag])

Parameters

varname	Name of the variable to assign.
value	Value to be assigned to the variable.
flag	Controls assignment.(Optional)

Flags

Flag	Usage
0	Create a variable if required.(default)
1	Force creation in Local Scope.
2	Force creation in Global Scope.
4	Fail if variable does not already exist.

Return Value

Success returns 1. Failure returns 0 if unable to create/assign the variable.

Example

Global $var = 0   ; is equivalent to
Assign("var",0,2)

Related Functions

Eval IsDeclared