Check if PDM add-in is running or not?

I have tried following but getting null.
var object = swApp.GetAddInObject("ConisioLib.EdmVault.1")
var object = swApp.GetAddInObject("ConisioSW2.ConisioSWAddIn.1");

Is there any other way to check either PDM is installed or not?

SolidworksApi/macros