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Parameter Type
| Keyframeable. For more information, see Global Versus Keyframeable Parameters. | ||||||||
Description
| Adds a trail to an effect as it moves across the screen.
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Use of Controls
| Enable button |  | Click the Enable button to turn the Trail parameter category on or off. The button is pink when the parameter category is on and gray when it is off. Alt+click (Windows) or Command+click (Macintosh) the Enable button to reset the Trail parameter controls to their default values. | ||||||
Decay | Move the slider to change the rate of the trail's decay, or dissipation, during the effect's motion. Adjustment ranges from a quick decay (close to 0) to a slower decay (close to 100), where 75 is the default. | ||||||||
Use Sparkle | Click the Use Sparkle button to paint the trail with sparkles. When Use Sparkle is not selected, the effect paints a trail using the image itself. The button is pink when Use Sparkle is on and gray when it is off. | ||||||||
