Edit an action
Actions apply to clips, shapes, or text over an interval of time. To add an action, drag the action onto a media on the timeline or canvas.
Edit an action:
Click to select an action on the timeline. The action color changes to yellow.
Drag an end point to adjust the speed of the transition into the action.
Position the end point to the location on the timeline where you want the final action to begin. For example, position the end point where you want the video to fully zoom in to. The action applies from this point until the beginning of the next action or the end of the clip. To set an end point for the action, drag the Restore action from the Video Effects pane onto the desired location on the timeline.
Click the Properties button 
to adjust the action's properties.