activate()

#### Availability

Flash MX 2004.

#### Usage

function activate() {
// statements
}

#### Parameters

None.

#### Returns

Nothing.

#### Description

Function; called when the extensible tool becomes active (that is, when the tool is selected in the Tools panel). Use this function to perform any initialization tasks the tool requires.

#### Example

The following example sets the value of tools.activeTool (../Tools_object/tools.md) when the extensible tool is selected in the Tools panel:

javascript

function activate() {

var theTool = fl.tools.activeTool

}

tools.activeTool (../Tools_object/tools.md)