Changing an existing HFX transition
You can modify a transition that is already in the timeline, changing the selected effect or any options at any time.
To change an existing transition in the timeline:
Â· Double-click on the transition block; or,
Â· Right-click on the transition and choose the Edit… command from the popup menu.
The Hollywood FX window will appear, letting you choose a specific transition, and change options for your transition.