MACROMEDIA FLASH 8-LEARNING ACTIONSCRIPT 2.0 IN FLASH Manual page 517

3.
Select Control > Test Movie to test the document.
As you move your mouse pointer around the Stage, the gradient glow filter's blur increases
and decreases strength. Click the left mouse button to increase the glow's strength.
Using the bevel filter
The BevelFilter class lets you add a bevel effect to a variety of objects in Flash. A bevel effect
gives objects a three-dimensional look. You can customize the look of the bevel with different
highlight and shadow colors, the amount of blur on the bevel, the angle of the bevel, the
placement of the bevel, and a knockout effect.
For more information on this filter, see BevelFilter (flash.filters.BevelFilter) in the
ActionScript 2.0 Language Reference.
The following procedure uses the Drawing API to create a square, and adds a bevel to
the shape.
Working with filters using ActionScript 517