MULTISIM 12 - Need help creating a component based on the following schematic diagram. It is an 8-pin Metal Detector IC. I have contacted the manufacturer without any luck. The part has been discontinued. I would like to simulate it in MULTISIM 12.

R1 Adjustment Adjustment Detector Detector Hot Point lA Internal reference Filtering C3 Output Detector R1 Adjustment Adjustment Detector Detector Hot Point lA Internal reference Filtering C3 Output Detector