How to pass config file and installation key to MSI using Execute-Process

Hi All, Can anybody help me how to pass the configuration file and installation key while packaging the msi. here i am trying to package the cyberarck epm agent. I am using below under the Installation section, but it is not working.

Execute-MSI -Action Install -Path “$dirFiles\CyberArkEPM.msi” -Parameters “/QN CONFIGFILE="$dirFiles\abc.conf” INSTALLATIONKEY="xxxxxxxxxxx""

can anyone help on this

Should it be configuration instead of configfile?

And as the other post stated, use -AddParameters