Link g4x ecu usb detected but not function

I’m using monsoon G4x , I can add connection with usb but RealDash dashboard is not function , may I know hor to fix this or tutorial for setup .

The G4X does not output serial stream, but it can be connected with CAN. See supported CAN adapters here:

RealDash | Manuals | Supported CAN/LIN Adapters