Digital Performer uses the MKRecallSend VST2 plugin. The plugin is included in your Composer Tools Pro download folder.
MKRecallSend VST2 Plugin Installation:
Quit Digital Performer and drag the plugin into your VST2 plugins folder. The exact location of this folder on your hard drive could vary depending on your personal settings.
Note: the macOS version of the plugin is called MKRecallSend.vst
Note: the Windows version the plugin is called MKRecallSend.dll
On first launch you will be required to authorize the plugin with your Composer Tools Pro registered email and license key. An internet connection is require during activation.