Animating Behaviors
To animate a behavior:
1. Select an object in the Canvas.
2. Apply a behavior.
3. Click the Record button (or press A) to enable record.
4. Place the playhead at the frame where you want the effect to begin changing.
5. Using the Dashboard, adjust the behavior’s settings.
6. Move the playhead to a new time position.
7. Adjust the behavior settings again.
8. Click the Record button to disable record (or press A).
Chapter 6 - Keyframes and Curves (pp. 412-413)
I am trying to achieve a smooth pan & zoom effect with variable velocity, similar to what Lyric's Pan Zoom Pro can do.