# Keyword Reference

Below is a complete list of the keywords available in AutoIt. Click on a keyword name for a detailed description.

Keyword | Description
False / True | Boolean values for use in logical expressions.
#comments-start | Specify that an entire section of script should be commented out.
ContinueCase | Abort the current case and continue a case into the next case in a Select or Switch block.
ContinueLoop | Continue a While/Do/For loop.
Default | Keyword value use in function call.
Dim / Global / Local / Const | Declare a variable, a constant, or create an array.
Do...Until | Loop based on an expression.
Enum | Enumerates variables.
Exit | Terminates the script.
ExitLoop | Terminate a While/Do/For loop.
For...Next | Loop based on an expression.
For...In...Next | Enumerates elements in an Object collection or an array
Func...Return...EndFunc | Defines a user-defined function that takes zero or more arguments and optionally returns a result.
Func OnAutoItExit ()...EndFunc | Defines a user-defined function that will be called when the script exit.
Func OnAutoItStart ()...EndFunc | Defines a user-defined function that will be called before the script start.
If...Then | Conditionally run a single statement.
If...ElseIf...Else...EndIf | Conditionally run statements.
#include-once | Specifies that the current file may only be included once.
#include | Includes a file in the current script.
#NoTrayIcon | Indicates that the AutoIt tray icon will not be shown when the script starts.
ReDim | Resize an existing array
Select...Case...EndSelect | Conditionally run statements.
Switch...Case...EndSwitch | Conditionally run statements.
While...WEnd | Loop based on an expression.
With...EndWith | Used to reduce long references to object type variables