Go to the Envelopes & Control Signals.
Open (Double click) ADSR Drag&Drop.
You see the Noise (white) module.
Go to the SAX Sample module and just place it on top of Noise (White) module.
Now you have replaced the Noise (White) by the SAX Sample module. The X*Y product module makes the SAX Sample amplitude will follow the ADSR curve when triggered.
The Gate is triggered by the !KeyDown.