Copy the properties that define a motion tween in the Timeline as ActionScript 3.0 and apply that motion to another symbol. Apply the motion either in the Actions panel or in the source files (such as class files) that uses ActionScript 3.0.
Use the fl.motion classes to customize the Animate-generated ActionScript for your specific project.
When you copy a motion as an ActionScript 3.0, it captures the following properties of a motion tween:
Orientation to path
Cache as a bitmap setting
3D rotation and position