# MovieClip.onRollOver

#### Availability

Flash Player 6.

#### Usage

    my_mc.onRollOver

#### Parameters

None.

#### Returns

Nothing.

#### Description

Event handler; invoked when the pointer rolls over a movie clip area.

You must define a function that executes when the event is invoked.

#### Example

The following example defines a function for the `onRollOver` method that sends a `trace` action to the Output window.

    my_mc.onRollOver = function () {
    	trace ("onRollOver called");
    };