The Properties command opens the Properties dialog for the selected item in the Track View. For example, this command opens the Key Info dialog for selected keys, or the ProSound_dialog for an item in the Sound Track.
Some controllers, such as Noise, use the Properties dialog as their primary interface for animating parameters. Other controllers do not use the Properties dialog at all; in such cases it is unavailable.
To display properties for an animation controller:
Or you can right-click the highlighted track and choose Properties from the context menu.
To display the Properties dialog for a Bezier key:
Bezier is the default Position controller for an animated object.
The controller dialog opens, showing the tangency choices and other settings.
To open the Sound Options or ProSound dialog for adding a sound track:
The Sound Options or ProSound dialog opens.
You can use this dialog to assign a sound file to the animation, which can be displayed in Track View or the track bar.