Here is detailed information on how to add your Toontrack product as a plug-in in Digital Performer.
This guide was made using Digital Performer version 11.3.
Open the Project menu and select “Add Track > Instrument Track > Toontrack”. Click on the plug-in that you want to add to the new track:
Select the track you want to add the plug-in to and click an empty insert slot, go to the “Toontrack” folder, and select your EZmix or Audio Sender plug-in.