# MovieClip.onEnterFrame

#### Availability

Flash Player 6.

#### Usage

    my_mc.onEnterFrame

#### Parameters

None.

#### Returns

Nothing.

#### Description

Event handler; invoked continually at the frame rate of the movie. The actions associated with the `enterFrame` clip event are processed before any frame actions that are attached to the affected frames.

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

#### Example

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

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