Start Sony Vegas and place a video clip, for example, in the Timeline and select it to identify the video image for previewing in Vitascene.
Next go to the VideoFX folder, where you will find the proDAD Vitascene Filter.
Now hold down your left mouse button and drag the Default icon onto the clip in the Timeline. This will start the Video TrackFX dialogue box.
Now click on the Edit button.
Note:
Preview images in Vitascene can only be correctly displayed, if the event (e.g. the clip in the Vegas Timeline) has been selected beforehand. Vitascene waits for a maximum of 3 seconds for a reaction from Vegas. Once this waiting time has passed, because no clip has been selected for example, Vitascene uses the default video images for the preview.
Vitascene will start, now choose a suitable video effect from the Filter Templates (e.g. Sparkle / 127). A playback of the current video clip with the selected video effect will appear in the Vitascene preview window, and, of course, you can modify the selected effect in Vitascene to suit you.
Once the project has been edited and completed in Vitascene, simply press the F12 key or click on the symbol 
to return to Sony Vegas.
This will automatically save the Vitascene project. The Vitascene effect appears as follows in Sony Vegas:
Note:
If you want to open the Vitascene Filter again, click on the video clip (with the Vitascene effect) in the Timeline on the Event FX button (green button).
You can open Vitascene again using the Video TrackFX dialogue box.