Here are the settings for Pinball FX 3 with cabinet support using the in build Pinball FX settings in the setup wizard.
[PinballFX2]
Enabled=True
WorkingPath=C:\Program Files (x86)\Steam
Executable=steam.exe
Parameters=-applaunch 442120 "-table_[TABLEFILE]"
Process=Pinball FX3.exe
If you do not have Cabinet Mode enabled see here: